Ubuntu security notices

These are the Ubuntu security notices that affect the current supported releases of Ubuntu. These notices are also posted to the ubuntu-security-announce mailing list (list archive). To report a security vulnerability in an Ubuntu package, please file a bug, or contact security@ubuntu.com. You may also be interested in learning about Ubuntu security policies. For more details on a specific CVE or source package, please see the Ubuntu CVE Tracker.

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USN-2462-1: Linux kernel vulnerabilities - 13th January 2015

Lars Bull reported a race condition in the PIT (programmable interrupt timer) emulation in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. A local guest user with access to PIT i/o ports could exploit this flaw to cause a denial of service (crash) on the host. (CVE-2014-3611) Lars ...

CVE-2014-3610 CVE-2014-3611

USN-2461-2: libyaml-libyaml-perl vulnerability - 12th January 2015

Stanisław Pitucha and Jonathan Gray discovered that libyaml-libyaml-perl did not properly handle wrapped strings. An attacker could create specially crafted YAML data to trigger an assert, causing a denial of service.

CVE-2014-9130

USN-2461-1: LibYAML vulnerability - 12th January 2015

Stanisław Pitucha and Jonathan Gray discovered that LibYAML did not properly handle wrapped strings. An attacker could create specially crafted YAML data to trigger an assert, causing a denial of service.

CVE-2014-9130

USN-2461-3: PyYAML vulnerability - 12th January 2015

Stanisław Pitucha and Jonathan Gray discovered that PyYAML did not properly handle wrapped strings. An attacker could create specially crafted YAML data to trigger an assert, causing a denial of service.

CVE-2014-9130

USN-2459-1: OpenSSL vulnerabilities - 12th January 2015

Pieter Wuille discovered that OpenSSL incorrectly handled Bignum squaring. (CVE-2014-3570) Markus Stenberg discovered that OpenSSL incorrectly handled certain crafted DTLS messages. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2014-3571) Karthikeyan Bhargavan discovered that OpenSSL incorrectly handled certain handshakes. A ...

CVE-2014-3570 CVE-2014-3571 CVE-2014-3572 CVE-2014-8275 CVE-2015-0204 CVE-2015-0205 CVE-2015-0206

USN-2456-1: GNU cpio vulnerabilities - 8th January 2015

Michal Zalewski discovered an out of bounds write issue in the process_copy_in function of GNU cpio. An attacker could specially craft a cpio archive that could create a denial of service or possibly execute arbitrary code. (CVE-2014-9112) Jakob Lell discovered a heap-based buffer overflow in the rmt_read__ function of GNU ...

CVE-2010-0624 CVE-2014-9112

USN-2455-1: bsd-mailx vulnerability - 7th January 2015

It was discovered that bsd-mailx contained a feature that allowed syntactically valid email addresses to be treated as shell commands. A remote attacker could possibly use this issue with a valid email address to execute arbitrary commands. This functionality has now been disabled by default, and can be re-enabled with ...

CVE-2014-7844

USN-2454-1: Exiv2 vulnerability - 7th January 2015

It was discovered that Exiv2 incorrectly handled certain tag values in video files. If a user or automated system were tricked into opening a specially-crafted video file, a remote attacker could cause Exiv2 to crash, resulting in a denial of service.

CVE-2014-9449

USN-2453-1: mime-support vulnerability - 7th January 2015

Timothy D. Morgan discovered that the run-mailcap tool incorrectly filtered certain shell metacharacters in filenames. If a user or automated system were tricked into opening a file with a specially-crafted filename, a remote attacker could possibly execute arbitrary code.

CVE-2014-7209

USN-2452-1: NSS vulnerability - 7th January 2015

It was discovered that NSS incorrectly handled certain ASN.1 lengths. A remote attacker could possibly use this issue to perform a data-smuggling attack.

CVE-2014-1569

USN-2451-1: cgmanager vulnerability - 5th January 2015

Serge Hallyn discovered that cgmanager did not consistently enforce proper nesting when modifying cgroup properties. A local attacker in a privileged container could use this to set cgroup values for all cgroups.

CVE-2014-1425

USN-2450-1: strongSwan vulnerability - 5th January 2015

Mike Daskalakis discovered that strongSwan incorrectly handled IKEv2 payloads that contained the Diffie-Hellman group 1025. A remote attacker could use this issue to cause the IKE daemon to crash, resulting in a denial of service.

CVE-2014-9221

USN-2449-1: NTP vulnerabilities - 22nd December 2014

Neel Mehta discovered that NTP generated weak authentication keys. A remote attacker could possibly use this issue to brute force the authentication key and send requests if permitted by IP restrictions. (CVE-2014-9293) Stephen Roettger discovered that NTP generated weak MD5 keys. A remote attacker could possibly use this issue to ...

CVE-2014-9293 CVE-2014-9294 CVE-2014-9295 CVE-2014-9296

USN-2447-2: Linux kernel (Utopic HWE) regression - 19th December 2014

USN-2447-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discovered that could leak the high 16 ...

http://bugs.launchpad.net/bugs/1390604

USN-2448-2: Linux kernel regression - 19th December 2014

USN-2448-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discovered that could leak the high 16 ...

http://bugs.launchpad.net/bugs/1390604

USN-2448-1: Linux kernel vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-7825 CVE-2014-7826 CVE-2014-7970 CVE-2014-8086 CVE-2014-8134 CVE-2014-8369 CVE-2014-9090

USN-2447-1: Linux kernel (Utopic HWE) vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-7825 CVE-2014-7826 CVE-2014-7970 CVE-2014-8086 CVE-2014-8134 CVE-2014-8369 CVE-2014-9090

USN-2446-1: Linux kernel vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-7825 CVE-2014-7826 CVE-2014-8134 CVE-2014-8369 CVE-2014-9090

USN-2445-1: Linux kernel (Trusty HWE) vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-7825 CVE-2014-7826 CVE-2014-8134 CVE-2014-8369 CVE-2014-9090

USN-2444-1: Linux kernel (OMAP4) vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-7825 CVE-2014-7826 CVE-2014-7841 CVE-2014-8134 CVE-2014-8884 CVE-2014-9090

USN-2443-1: Linux kernel vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-7825 CVE-2014-7826 CVE-2014-7841 CVE-2014-8134 CVE-2014-8884 CVE-2014-9090

USN-2442-1: Linux kernel (EC2) vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-7841 CVE-2014-8134 CVE-2014-8709 CVE-2014-8884 CVE-2014-9090

USN-2441-1: Linux kernel vulnerabilities - 12th December 2014

An information leak in the Linux kernel was discovered that could leak the high 16 bits of the kernel stack address on 32-bit Kernel Virtual Machine (KVM) paravirt guests. A user in the guest OS could exploit this leak to obtain information that could potentially be used to aid in ...

CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-7841 CVE-2014-8134 CVE-2014-8709 CVE-2014-8884 CVE-2014-9090

USN-2440-1: Mutt vulnerability - 11th December 2014

Jakub Wilk discovered that the write_one_header function in mutt did not properly handle newline characters at the beginning of a header. An attacker could specially craft an email to cause mutt to crash, resulting in a denial of service.

CVE-2014-9116

USN-2439-1: QEMU vulnerabilities - 11th December 2014

Michael S. Tsirkin discovered that QEMU incorrectly handled certain parameters during ram load while performing a migration. An attacker able to manipulate savevm data could use this issue to possibly execute arbitrary code on the host. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, and Ubuntu 14.10. (CVE-2014-7840) ...

CVE-2014-7840 CVE-2014-8106

USN-2438-1: NVIDIA graphics drivers vulnerabilities - 10th December 2014

It was discovered that the NVIDIA graphics drivers incorrectly handled GLX indirect rendering support. An attacker able to connect to an X server, either locally or remotely, could use these issues to cause the X server to crash or execute arbitrary code resulting in possible privilege escalation.

CVE-2014-8091 CVE-2014-8098 CVE-2014-8298

USN-2436-2: X.Org X server vulnerabilities - 9th December 2014

USN-2436-1 fixed vulnerabilities in the X.Org X server. Since publication, additional fixes have been made available for these issues. This update adds the additional fixes. Original advisory details: Ilja van Sprundel discovered a multitude of security issues in the X.Org X server. An attacker able to connect to an X ...

LP: 1400942

USN-2437-1: Bind vulnerability - 9th December 2014

Florian Maury discovered that Bind incorrectly handled delegation. A remote attacker could possibly use this issue to cause Bind to consume resources and crash, resulting in a denial of service.

CVE-2014-8500

USN-2436-1: X.Org X server vulnerabilities - 9th December 2014

Ilja van Sprundel discovered a multitude of security issues in the X.Org X server. An attacker able to connect to an X server, either locally or remotely, could use these issues to cause the X server to crash or execute arbitrary code resulting in possible privilege escalation.

CVE-2014-8091 CVE-2014-8092 CVE-2014-8093 CVE-2014-8094 CVE-2014-8095 CVE-2014-8096 CVE-2014-8097 CVE-2014-8098 CVE-2014-8099 CVE-2014-8100 CVE-2014-8101 CVE-2014-8102 CVE-2014-8103

USN-2435-1: Graphviz vulnerability - 8th December 2014

It was discovered that graphviz incorrectly handled parsing errors. An attacker could use this issue to cause graphviz to crash or possibly execute arbitrary code.

CVE-2014-9157

USN-2434-2: Ghostscript vulnerability - 8th December 2014

USN-2434-1 fixed a vulnerability in JasPer. This update provides the corresponding fix for the JasPer library embedded in the Ghostscript package. Original advisory details: Jose Duart discovered that JasPer incorrectly handled certain malformed JPEG-2000 image files. If a user were tricked into opening a specially crafted JPEG-2000 image file, a ...

CVE-2014-9029

USN-2434-1: JasPer vulnerability - 8th December 2014

Jose Duart discovered that JasPer incorrectly handled certain malformed JPEG-2000 image files. If a user were tricked into opening a specially crafted JPEG-2000 image file, a remote attacker could cause JasPer to crash or possibly execute arbitrary code with user privileges.

CVE-2014-9029

USN-2431-2: MAAS regression - 4th December 2014

USN-2431-1 fixed vulnerabilities in mod_wsgi. The security update exposed an issue in the MAAS package, causing a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that mod_wsgi incorrectly handled errors when setting up the working directory and group access rights. A ...

LP: 1399016

USN-2433-1: tcpdump vulnerabilities - 4th December 2014

Steffen Bauch discovered that tcpdump incorrectly handled printing OSLR packets. A remote attacker could use this issue to cause tcpdump to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-8767) Steffen Bauch discovered that tcpdump incorrectly handled printing GeoNet packets. A remote attacker could use this ...

CVE-2014-8767 CVE-2014-8768 CVE-2014-8769 CVE-2014-9140

USN-2432-1: GNU C Library vulnerabilities - 3rd December 2014

Siddhesh Poyarekar discovered that the GNU C Library incorrectly handled certain multibyte characters when using the iconv function. An attacker could possibly use this issue to cause applications to crash, resulting in a denial of service. This issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS. (CVE-2012-6656) Adhemerval Zanella ...

CVE-2012-6656 CVE-2014-6040 CVE-2014-7817

USN-2428-1: Thunderbird vulnerabilities - 3rd December 2014

Gary Kwong, Randell Jesup, Nils Ohlmeier, Jesse Ruderman, and Max Jonas Werner discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or ...

CVE-2014-1587 CVE-2014-1590 CVE-2014-1592 CVE-2014-1593 CVE-2014-1594

USN-2431-1: mod_wsgi vulnerability - 3rd December 2014

It was discovered that mod_wsgi incorrectly handled errors when setting up the working directory and group access rights. A malicious application could possibly use this issue to cause a local privilege escalation when using daemon mode.

CVE-2014-8583

USN-2424-1: Firefox vulnerabilities - 2nd December 2014

Gary Kwong, Randell Jesup, Nils Ohlmeier, Jesse Ruderman, Max Jonas Werner, Christian Holler, Jon Coppeard, Eric Rahm, Byron Campen, Eric Rescorla, and Xidorn Quan discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to ...

CVE-2014-1587 CVE-2014-1588 CVE-2014-1589 CVE-2014-1590 CVE-2014-1591 CVE-2014-1592 CVE-2014-1593 CVE-2014-1594

USN-2430-1: OpenVPN vulnerability - 2nd December 2014

Dragana Damjanovic discovered that OpenVPN incorrectly handled certain control channel packets. An authenticated attacker could use this issue to cause an OpenVPN server to crash, resulting in a denial of service.

CVE-2014-8104

USN-2429-1: ppp vulnerability - 1st December 2014

It was discovered that ppp incorrectly handled certain options files. A local attacker could possibly use this issue to escalate privileges.

CVE-2014-3158

USN-2427-1: Libksba vulnerability - 27th November 2014

Hanno Böck discovered that Libksba incorrectly handled certain S/MIME messages or ECC based OpenPGP data. An attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2014-9087

USN-2426-1: FLAC vulnerabilities - 27th November 2014

Michele Spagnuolo discovered that FLAC incorrectly handled certain malformed audio files. An attacker could use this issue to cause FLAC to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2014-8962 CVE-2014-9028

USN-2425-1: DBus vulnerability - 27th November 2014

It was discovered that DBus incorrectly handled a large number of file descriptor messages. A local attacker could use this issue to cause DBus to stop responding, resulting in a denial of service. (CVE-2014-7824)

CVE-2014-7824

USN-2423-1: ClamAV vulnerabilities - 26th November 2014

Kurt Seifried discovered that ClamAV incorrectly handled certain JavaScript files. An attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2013-6497) Damien Millescamp discovered that ClamAV incorrectly handled certain PE files. An attacker could possibly use this ...

CVE-2013-6497 CVE-2014-9050

USN-2422-1: Squid vulnerabilities - 25th November 2014

Sebastian Krahmer discovered that the Squid pinger incorrectly handled certain malformed ICMP packets. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.

CVE-2014-7141 CVE-2014-7142

USN-2421-1: Linux kernel vulnerabilities - 24th November 2014

A flaw was discovered in how the Linux kernel's KVM (Kernel Virtual Machine) subsystem handles the CR4 control register at VM entry on Intel processors. A local host OS user can exploit this to cause a denial of service (kill arbitrary processes, or system disruption) by leveraging /dev/kvm access. (CVE-2014-3690) ...

CVE-2014-3690 CVE-2014-4608 CVE-2014-7975

USN-2420-1: Linux kernel vulnerabilities - 24th November 2014

A flaw was discovered in how the Linux kernel's KVM (Kernel Virtual Machine) subsystem handles the CR4 control register at VM entry on Intel processors. A local host OS user can exploit this to cause a denial of service (kill arbitrary processes, or system disruption) by leveraging /dev/kvm access. (CVE-2014-3690) ...

CVE-2014-3690 CVE-2014-4608 CVE-2014-7970 CVE-2014-7975

USN-2419-1: Linux kernel (Trusty HWE) vulnerabilities - 24th November 2014

A flaw was discovered in how the Linux kernel's KVM (Kernel Virtual Machine) subsystem handles the CR4 control register at VM entry on Intel processors. A local host OS user can exploit this to cause a denial of service (kill arbitrary processes, or system disruption) by leveraging /dev/kvm access. (CVE-2014-3690) ...

CVE-2014-3690 CVE-2014-4608 CVE-2014-7970 CVE-2014-7975

USN-2418-1: Linux kernel (OMAP4) vulnerabilities - 24th November 2014

Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. (CVE-2014-3647) A flaw was ...

CVE-2014-3610 CVE-2014-3611 CVE-2014-3645 CVE-2014-3646 CVE-2014-3647 CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-3690 CVE-2014-4608 CVE-2014-7207 CVE-2014-7975

USN-2417-1: Linux kernel vulnerabilities - 24th November 2014

Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. (CVE-2014-3647) A flaw was ...

CVE-2014-3610 CVE-2014-3611 CVE-2014-3645 CVE-2014-3646 CVE-2014-3647 CVE-2014-3673 CVE-2014-3687 CVE-2014-3688 CVE-2014-3690 CVE-2014-4608 CVE-2014-7207 CVE-2014-7975

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