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=========================================================== Ubuntu Security Notice USN-792-1 June 25, 2009 openssl vulnerabilities CVE-2009-1377, CVE-2009-1378, CVE-2009-1379, CVE-2009-1386, CVE-2009-1387 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libssl0.9.8 0.9.8a-7ubuntu0.9 Ubuntu 8.04 LTS: libssl0.9.8 0.9.8g-4ubuntu3.7 Ubuntu 8.10: libssl0.9.8 0.9.8g-10.1ubuntu2.4 Ubuntu 9.04: libssl0.9.8 0.9.8g-15ubuntu3.2 After a standard system upgrade you need to reboot your computer to effect the necessary changes. Details follow: It was discovered that OpenSSL did not limit the number of DTLS records it would buffer when they arrived with a future epoch. A remote attacker could cause a denial of service via memory resource consumption by sending a large number of crafted requests. (CVE-2009-1377) It was discovered that OpenSSL did not properly free memory when processing DTLS fragments. A remote attacker could cause a denial of service via memory resource consumption by sending a large number of crafted requests. (CVE-2009-1378) It was discovered that OpenSSL did not properly handle certain server certificates when processing DTLS packets. A remote DTLS server could cause a denial of service by sending a message containing a specially crafted server certificate. (CVE-2009-1379) It was discovered that OpenSSL did not properly handle a DTLS ChangeCipherSpec packet when it occured before ClientHello. A remote attacker could cause a denial of service by sending a specially crafted request. (CVE-2009-1386) It was discovered that OpenSSL did not properly handle out of sequence DTLS handshake messages. A remote attacker could cause a denial of service by sending a specially crafted request. (CVE-2009-1387)

=========================================================== Ubuntu Security Notice USN-791-2 June 24, 2009 moodle vulnerability CVE-2009-1171 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 9.04: moodle 1.9.4.dfsg-0ubuntu1.1 After a standard system upgrade you need to access the Moodle instance and accept the database update to clear any invalid cached data. Details follow: Christian Eibl discovered that the TeX filter in Moodle allowed any function to be used. An authenticated remote attacker could post a specially crafted TeX formula to execute arbitrary TeX functions, potentially reading any file accessible to the web server user, leading to a loss of privacy. (CVE-2009-1171, MSA-09-0009)

=========================================================== Ubuntu Security Notice USN-791-3 June 24, 2009 smarty vulnerability CVE-2009-1669 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 9.04: smarty 2.6.22-1ubuntu1.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: It was discovered that Smarty did not correctly filter certain math inputs. A remote attacker using Smarty via a web service could exploit this to execute subsets of shell commands as the web server user.

=========================================================== Ubuntu Security Notice USN-791-1 June 24, 2009 moodle vulnerabilities CVE-2007-3215, CVE-2008-4796, CVE-2008-4810, CVE-2008-4811, CVE-2008-5153, CVE-2008-5432, CVE-2008-5619, CVE-2008-6124, CVE-2009-0499, CVE-2009-0500, CVE-2009-0501, CVE-2009-0502, CVE-2009-1171, CVE-2009-1669 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.04 LTS Ubuntu 8.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.04 LTS: moodle 1.8.2-1ubuntu4.2 Ubuntu 8.10: moodle 1.8.2-1.2ubuntu2.1 After a standard system upgrade you need to access the Moodle instance and accept the database update to clear any invalid cached data. Details follow: Thor Larholm discovered that PHPMailer, as used by Moodle, did not correctly escape email addresses. A local attacker with direct access to the Moodle database could exploit this to execute arbitrary commands as the web server user. (CVE-2007-3215) Nigel McNie discovered that fetching https URLs did not correctly escape shell meta-characters. An authenticated remote attacker could execute arbitrary commands as the web server user, if curl was installed and configured. (CVE-2008-4796, MSA-09-0003) It was discovered that Smarty (also included in Moodle), did not correctly filter certain inputs. An authenticated remote attacker could exploit this to execute arbitrary PHP commands as the web server user. (CVE-2008-4810, CVE-2008-4811, CVE-2009-1669) It was discovered that the unused SpellChecker extension in Moodle did not correctly handle temporary files. If the tool had been locally modified, it could be made to overwrite arbitrary local files via symlinks. (CVE-2008-5153) Mike Churchward discovered that Moodle did not correctly filter Wiki page titles in certain areas. An authenticated remote attacker could exploit this to cause cross-site scripting (XSS), which could be used to modify or steal confidential data of other users within the same web domain. (CVE-2008-5432, MSA-08-0022) It was discovered that the HTML sanitizer, "Login as" feature, and logging in Moodle did not correctly handle certain inputs. An authenticated remote attacker could exploit this to generate XSS, which could be used to modify or steal confidential data of other users within the same web domain. (CVE-2008-5619, CVE-2009-0500, CVE-2009-0502, MSA-08-0026, MSA-09-0004, MSA-09-0007) It was discovered that the HotPot module in Moodle did not correctly filter SQL inputs. An authenticated remote attacker could execute arbitrary SQL commands as the moodle database user, leading to a loss of privacy or denial of service. (CVE-2008-6124, MSA-08-0010) Kevin Madura discovered that the forum actions and messaging settings in Moodle were not protected from cross-site request forgery (CSRF). If an authenticated user were tricked into visiting a malicious website while logged into Moodle, a remote attacker could change the user's configurations or forum content. (CVE-2009-0499, MSA-09-0008, MSA-08-0023) Daniel Cabezas discovered that Moodle would leak usernames from the Calendar Export tool. A remote attacker could gather a list of users, leading to a loss of privacy. (CVE-2009-0501, MSA-09-0006) Christian Eibl discovered that the TeX filter in Moodle allowed any function to be used. An authenticated remote attacker could post a specially crafted TeX formula to execute arbitrary TeX functions, potentially reading any file accessible to the web server user, leading to a loss of privacy. (CVE-2009-1171, MSA-09-0009) Johannes Kuhn discovered that Moodle did not correctly validate user permissions when attempting to switch user accounts. An authenticated remote attacker could switch to any other Moodle user, leading to a loss of privacy. (MSA-08-0003) Hanno Boeck discovered that unconfigured Moodle instances contained XSS vulnerabilities. An unauthenticated remote attacker could exploit this to modify or steal confidential data of other users within the same web domain. (MSA-08-0004) Debbie McDonald, Mauno Korpelainen, Howard Miller, and Juan Segarra Montesinos discovered that when users were deleted from Moodle, their profiles and avatars were still visible. An authenticated remote attacker could exploit this to store information in profiles even after they were removed, leading to spam traffic. (MSA-08-0015, MSA-09-0001, MSA-09-0002) Lars Vogdt discovered that Moodle did not correctly filter certain inputs. An authenticated remote attacker could exploit this to generate XSS from which they could modify or steal confidential data of other users within the same web domain. (MSA-08-0021) It was discovered that Moodle did not correctly filter inputs for group creation, mnet, essay question, HOST param, wiki param, and others. An authenticated remote attacker could exploit this to generate XSS from which they could modify or steal confidential data of other users within the same web domain. (MDL-9288, MDL-11759, MDL-12079, MDL-12793, MDL-14806) It was discovered that Moodle did not correctly filter SQL inputs when performing a restore. An attacker authenticated as a Moodle administrator could execute arbitrary SQL commands as the moodle database user, leading to a loss of privacy or denial of service. (MDL-11857)

=========================================================== Ubuntu Security Notice USN-790-1 June 24, 2009 cyrus-sasl2 vulnerability CVE-2009-0688 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libsasl2 2.1.19.dfsg1-0.1ubuntu3.1 Ubuntu 8.04 LTS: libsasl2-2 2.1.22.dfsg1-18ubuntu2.1 Ubuntu 8.10: libsasl2-2 2.1.22.dfsg1-21ubuntu2.1 Ubuntu 9.04: libsasl2-2 2.1.22.dfsg1-23ubuntu3.1 After a standard system upgrade you need to restart services using SASL to effect the necessary changes. Details follow: James Ralston discovered that the Cyrus SASL base64 encoding function could be used unsafely. If a remote attacker sent a specially crafted request to a service that used SASL, it could lead to a loss of privacy, or crash the application, resulting in a denial of service.

=========================================================== Ubuntu Security Notice USN-789-1 June 22, 2009 gst-plugins-good0.10 vulnerability CVE-2009-1932 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: gstreamer0.10-plugins-good 0.10.3-0ubuntu4.2 Ubuntu 8.04 LTS: gstreamer0.10-plugins-good 0.10.7-3ubuntu0.3 Ubuntu 8.10: gstreamer0.10-plugins-good 0.10.10.4-1ubuntu1.2 Ubuntu 9.04: gstreamer0.10-plugins-good 0.10.14-1ubuntu0.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Tielei Wang discovered that GStreamer Good Plugins did not correctly handle malformed PNG image files. If a user were tricked into opening a crafted PNG image file with a GStreamer application, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program.

=========================================================== Ubuntu Security Notice USN-788-1 June 15, 2009 tomcat6 vulnerabilities CVE-2008-5515, CVE-2009-0033, CVE-2009-0580, CVE-2009-0781, CVE-2009-0783 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.10: libtomcat6-java 6.0.18-0ubuntu3.2 tomcat6-examples 6.0.18-0ubuntu3.2 Ubuntu 9.04: libtomcat6-java 6.0.18-0ubuntu6.1 tomcat6-examples 6.0.18-0ubuntu6.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Iida Minehiko discovered that Tomcat did not properly normalise paths. A remote attacker could send specially crafted requests to the server and bypass security restrictions, gaining access to sensitive content. (CVE-2008-5515) Yoshihito Fukuyama discovered that Tomcat did not properly handle errors when the Java AJP connector and mod_jk load balancing are used. A remote attacker could send specially crafted requests containing invalid headers to the server and cause a temporary denial of service. (CVE-2009-0033) D. Matscheko and T. Hackner discovered that Tomcat did not properly handle malformed URL encoding of passwords when FORM authentication is used. A remote attacker could exploit this in order to enumerate valid usernames. (CVE-2009-0580) Deniz Cevik discovered that Tomcat did not properly escape certain parameters in the example calendar application which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data (such as passwords), within the same domain. (CVE-2009-0781) Philippe Prados discovered that Tomcat allowed web applications to replace the XML parser used by other web applications. Local users could exploit this to bypass security restrictions and gain access to certain sensitive files. (CVE-2009-0783)

=========================================================== Ubuntu Security Notice USN-779-1 June 12, 2009 firefox-3.0, xulrunner-1.9 vulnerabilities CVE-2009-1392, CVE-2009-1832, CVE-2009-1833, CVE-2009-1834, CVE-2009-1835, CVE-2009-1836, CVE-2009-1837, CVE-2009-1838, CVE-2009-1839, CVE-2009-1840, CVE-2009-1841 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.04 LTS: firefox-3.0 3.0.11+build2+nobinonly-0ubuntu0.8.04.1 xulrunner-1.9 1.9.0.11+build2+nobinonly-0ubuntu0.8.04.1 Ubuntu 8.10: abrowser 3.0.11+build2+nobinonly-0ubuntu0.8.10.1 firefox-3.0 3.0.11+build2+nobinonly-0ubuntu0.8.10.1 xulrunner-1.9 1.9.0.11+build2+nobinonly-0ubuntu0.8.10.2 Ubuntu 9.04: abrowser 3.0.11+build2+nobinonly-0ubuntu0.9.04.1 firefox-3.0 3.0.11+build2+nobinonly-0ubuntu0.9.04.1 xulrunner-1.9 1.9.0.11+build2+nobinonly-0ubuntu0.9.04.1 After a standard system upgrade you need to restart Firefox and any applications that use xulrunner, such as Epiphany, to effect the necessary changes. Details follow: Several flaws were discovered in the browser and JavaScript engines of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1392, CVE-2009-1832, CVE-2009-1833, CVE-2009-1837, CVE-2009-1838) Pavel Cvrcek discovered that Firefox would sometimes display certain invalid Unicode characters as whitespace. An attacker could exploit this to spoof the location bar, such as in a phishing attack. (CVE-2009-1834) Gregory Fleischer, Adam Barth and Collin Jackson discovered that Firefox would allow access to local files from resources loaded via the file: protocol. If a user were tricked into downloading then opening a malicious file, an attacker could steal potentially sensitive information. (CVE-2009-1835, CVE-2009-1839) Shuo Chen, Ziqing Mao, Yi-Min Wang, and Ming Zhang discovered that Firefox did not properly handle error responses when connecting to a proxy server. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information. (CVE-2009-1836) Wladimir Palant discovered Firefox did not check content-loading policies when loading external script files into XUL documents. As a result, Firefox might load malicious content under certain circumstances. (CVE-2009-1840) It was discovered that Firefox could be made to run scripts with elevated privileges. If a user were tricked into viewing a malicious website, an attacker could cause a chrome privileged object, such as the browser sidebar, to run arbitrary code via interactions with the attacker controlled website. (CVE-2009-1841)

=========================================================== Ubuntu Security Notice USN-787-1 June 12, 2009 apache2 vulnerabilities CVE-2009-0023, CVE-2009-1191, CVE-2009-1195, CVE-2009-1955, CVE-2009-1956 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: apache2-common 2.0.55-4ubuntu2.5 apache2-mpm-perchild 2.0.55-4ubuntu2.5 apache2-mpm-prefork 2.0.55-4ubuntu2.5 apache2-mpm-worker 2.0.55-4ubuntu2.5 libapr0 2.0.55-4ubuntu2.5 Ubuntu 8.04 LTS: apache2-mpm-event 2.2.8-1ubuntu0.8 apache2-mpm-perchild 2.2.8-1ubuntu0.8 apache2-mpm-prefork 2.2.8-1ubuntu0.8 apache2-mpm-worker 2.2.8-1ubuntu0.8 apache2.2-common 2.2.8-1ubuntu0.8 Ubuntu 8.10: apache2-mpm-event 2.2.9-7ubuntu3.1 apache2-mpm-prefork 2.2.9-7ubuntu3.1 apache2-mpm-worker 2.2.9-7ubuntu3.1 apache2.2-common 2.2.9-7ubuntu3.1 Ubuntu 9.04: apache2-mpm-event 2.2.11-2ubuntu2.1 apache2-mpm-prefork 2.2.11-2ubuntu2.1 apache2-mpm-worker 2.2.11-2ubuntu2.1 apache2.2-common 2.2.11-2ubuntu2.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: Matthew Palmer discovered an underflow flaw in apr-util as included in Apache. An attacker could cause a denial of service via application crash in Apache using a crafted SVNMasterURI directive, .htaccess file, or when using mod_apreq2. This issue only affected Ubuntu 6.06 LTS. (CVE-2009-0023) Sander de Boer discovered that mod_proxy_ajp would reuse connections when a client closed a connection without sending a request body. A remote attacker could exploit this to obtain sensitive response data. This issue only affected Ubuntu 9.04. (CVE-2009-1191) Jonathan Peatfield discovered that Apache did not process Includes options correctly. With certain configurations of Options and AllowOverride, a local attacker could use an .htaccess file to override intended restrictions and execute arbitrary code via a Server-Side-Include file. This issue affected Ubuntu 8.04 LTS, 8.10 and 9.04. (CVE-2009-1195) It was discovered that the XML parser did not properly handle entity expansion. A remote attacker could cause a denial of service via memory resource consumption by sending a crafted request to an Apache server configured to use mod_dav or mod_dav_svn. This issue only affected Ubuntu 6.06 LTS. (CVE-2009-1955) C. Michael Pilato discovered an off-by-one buffer overflow in apr-util when formatting certain strings. For big-endian machines (powerpc, hppa and sparc in Ubuntu), a remote attacker could cause a denial of service or information disclosure leak. All other architectures for Ubuntu are not considered to be at risk. This issue only affected Ubuntu 6.06 LTS. (CVE-2009-1956)

=========================================================== Ubuntu Security Notice USN-786-1 June 10, 2009 apr-util vulnerabilities CVE-2009-0023, CVE-2009-1955, CVE-2009-1956 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 8.04 LTS: libaprutil1 1.2.12+dfsg-3ubuntu0.1 Ubuntu 8.10: libaprutil1 1.2.12+dfsg-7ubuntu0.1 Ubuntu 9.04: libaprutil1 1.2.12+dfsg-8ubuntu0.1 After a standard system upgrade you need to restart any services that use apr-util, such as Apache or svnserve, to effect the necessary changes. Details follow: Matthew Palmer discovered an underflow flaw in apr-util. An attacker could cause a denial of service via application crash in Apache using a crafted SVNMasterURI directive, .htaccess file, or when using mod_apreq2. Applications using libapreq2 are also affected. (CVE-2009-0023) It was discovered that the XML parser did not properly handle entity expansion. A remote attacker could cause a denial of service via memory resource consumption by sending a crafted request to an Apache server configured to use mod_dav or mod_dav_svn. (CVE-2009-1955) C. Michael Pilato discovered an off-by-one buffer overflow in apr-util when formatting certain strings. For big-endian machines (powerpc, hppa and sparc in Ubuntu), a remote attacker could cause a denial of service or information disclosure leak. All other architectures for Ubuntu are not considered to be at risk. (CVE-2009-1956)