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 contact the Ubuntu Security Team. 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-3233-1: Thunderbird vulnerabilities - 24th March 2017

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to bypass same origin restrictions, obtain sensitive information, cause a denial of service via application crash or hang, or execute arbitrary ...

CVE-2017-5398 CVE-2017-5400 CVE-2017-5401 CVE-2017-5402 CVE-2017-5404 CVE-2017-5405 CVE-2017-5407 CVE-2017-5408 CVE-2017-5410

USN-3243-1: Git vulnerability - 23rd March 2017

It was discovered that Git incorrectly sanitized branch names in the PS1 variable when configured to display the repository status in the shell prompt. If a user were tricked into exploring a malicious repository, a remote attacker could use this issue to execute arbitrary code.

CVE-2014-9938

USN-3242-1: Samba vulnerability - 23rd March 2017

Jann Horn discovered that Samba incorrectly handled symlinks. An authenticated remote attacker could use this issue to access files on the server outside of the exported directories.

CVE-2017-2619

USN-3241-1: audiofile vulnerabilities - 22nd March 2017

Agostino Sarubbo discovered that audiofile incorrectly handled certain malformed audio files. If a user or automated system were tricked into processing a specially crafted audio file, a remote attacker could cause applications linked against audiofile to crash, leading to a denial of service, or possibly execute arbitrary code.

CVE-2017-6827 CVE-2017-6828 CVE-2017-6829 CVE-2017-6830 CVE-2017-6831 CVE-2017-6832 CVE-2017-6833 CVE-2017-6834 CVE-2017-6835 CVE-2017-6836 CVE-2017-6837 CVE-2017-6838 CVE-2017-6839

USN-3239-2: GNU C Library Regression - 21st March 2017

USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately, the fix for CVE-2015-5180 introduced an internal ABI change within the resolver library. This update reverts the change. We apologize for the inconvenience. Please note that long-running services that were restarted to compensate for the USN-3239-1 update may need to be ...

https://bugs.launchpad.net/bugs/1674532

USN-3239-1: GNU C Library vulnerabilities - 20th March 2017

It was discovered that the GNU C Library incorrectly handled the strxfrm() function. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8982) It was discovered that an integer overflow existed ...

CVE-2015-5180 CVE-2015-8982 CVE-2015-8983 CVE-2015-8984 CVE-2016-1234 CVE-2016-3706 CVE-2016-4429 CVE-2016-5417 CVE-2016-6323

USN-3240-1: NVIDIA graphics vulnerability - 20th March 2017

It was discovered that the NVIDIA graphics drivers contained a flaw in the kernel mode layer. A local attacker could use this issue to cause a denial of service.

CVE-2017-0318

USN-3173-2: NVIDIA graphics drivers vulnerability - 20th March 2017

USN-3173-1 fixed a vulnerability in nvidia-graphics-drivers-304 and nvidia-graphics-drivers-340. This update provides the corresponding update for nvidia-graphics-drivers-375. Original advisory details: It was discovered that the NVIDIA graphics drivers contained a flaw in the kernel mode layer. A local attacker could use this issue to cause a denial of service.

CVE-2016-8826

USN-3238-1: Firefox vulnerability - 20th March 2017

An integer overflow was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to cause a denial of service via application crash or execute arbitrary code. (CVE-2017-5428)

CVE-2017-5428

USN-3183-2: GnuTLS vulnerability - 20th March 2017

USN-3183-1 fixed CVE-2016-8610 in GnuTLS in Ubuntu 16.04 LTS and Ubuntu 16.10. This update provides the corresponding update for Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Original advisory details: Stefan Buehler discovered that GnuTLS incorrectly verified the serial length of OCSP responses. A remote attacker could possibly use this issue ...

CVE-2016-8610

USN-3237-1: FreeType vulnerability - 20th March 2017

It was discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2016-10244

USN-3235-1: libxml2 vulnerabilities - 16th March 2017

It was discovered that libxml2 incorrectly handled format strings. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, and Ubuntu 16.04 ...

CVE-2016-4448 CVE-2016-4658 CVE-2016-5131

USN-3234-2: Linux kernel (Xenial HWE) vulnerabilities - 15th March 2017

USN-3234-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel did not properly validate meta block groups. ...

CVE-2016-10208 CVE-2017-5551

USN-3232-1: ImageMagick vulnerabilities - 14th March 2017

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the ...

CVE-2017-6498 CVE-2017-6499 CVE-2017-6500

USN-3231-1: Pidgin vulnerability - 14th March 2017

Joseph Bisch discovered that Pidgin incorrectly handled certain xml messages. A remote attacker could use this issue to cause Pidgin to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2017-2640

USN-3230-1: Pillow vulnerabilities - 13th March 2017

It was discovered that Pillow incorrectly handled certain compressed text chunks in PNG images. A remote attacker could possibly use this issue to cause Pillow to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2014-9601) Cris Neckar discovered that Pillow incorrectly handled certain malformed ...

CVE-2014-9601 CVE-2016-9189 CVE-2016-9190

USN-3228-1: libevent vulnerabilities - 13th March 2017

Guido Vranken discovered that libevent incorrectly handled memory when processing certain data. A remote attacker could possibly use this issue with an application that uses libevent to cause a denial of service, or possibly execute arbitrary code.

CVE-2016-10195 CVE-2016-10196 CVE-2016-10197

USN-3227-1: ICU vulnerabilities - 13th March 2017

It was discovered that ICU incorrectly handled certain memory operations when processing data. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program.

CVE-2014-9911 CVE-2015-4844 CVE-2016-0494 CVE-2016-6293 CVE-2016-7415

USN-3225-1: libarchive vulnerabilities - 9th March 2017

It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote attacker could possibly use this issue to overwrite arbitrary files. (CVE-2016-5418) Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled filename lengths when writing ISO9660 archives. A remote attacker could use this issue ...

CVE-2016-5418 CVE-2016-6250 CVE-2016-7166 CVE-2016-8687 CVE-2016-8688 CVE-2016-8689 CVE-2017-5601

USN-3224-1: LXC vulnerability - 9th March 2017

Jann Horn discovered that LXC incorrectly verified permissions when creating virtual network interfaces. A local attacker could possibly use this issue to create virtual network interfaces in network namespaces that they do not own.

CVE-2017-5985

USN-3223-1: KDE-Libs vulnerability - 9th March 2017

Itzik Kotler, Yonatan Fridburg, and Amit Klein discovered that KDE-Libs incorrectly handled certain PAC files. A remote attacker could possibly use this issue to obtain sensitive information.

CVE-2017-6410

USN-3222-1: ImageMagick vulnerabilities - 8th March 2017

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the ...

CVE-2016-10062 CVE-2016-10144 CVE-2016-10145 CVE-2016-10146 CVE-2016-8707 CVE-2017-5506 CVE-2017-5507 CVE-2017-5508 CVE-2017-5510 CVE-2017-5511

USN-3220-2: Linux kernel (Xenial HWE) vulnerability - 7th March 2017

USN-3220-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Alexander Popov discovered that the N_HDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A ...

CVE-2017-2636

USN-3216-1: Firefox vulnerabilities - 7th March 2017

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to bypass same origin restrictions, obtain sensitive information, spoof the addressbar, spoof the print dialog, cause a denial of service via application crash or hang, ...

CVE-2017-5398 CVE-2017-5399 CVE-2017-5400 CVE-2017-5401 CVE-2017-5402 CVE-2017-5403 CVE-2017-5404 CVE-2017-5405 CVE-2017-5406 CVE-2017-5407 CVE-2017-5408 CVE-2017-5410 CVE-2017-5412 CVE-2017-5413 CVE-2017-5414 CVE-2017-5415 CVE-2017-5416 CVE-2017-5417 CVE-2017-5418 CVE-2017-5419 CVE-2017-5420 CVE-2017-5421 CVE-2017-5422 CVE-2017-5426 CVE-2017-5427

USN-3219-1: Linux kernel vulnerability - 7th March 2017

Alexander Popov discovered that the N_HDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges.

CVE-2017-2636

USN-3217-1: network-manager-applet vulnerability - 7th March 2017

Frederic Bardy and Quentin Biguenet discovered that network-manager-applet incorrectly checked permissions when connecting to certain wireless networks. A local attacker could use this issue at the login screen to access local files.

LP: 1668321

USN-3215-2: Munin regression - 3rd March 2017

USN-3215-1 fixed a vulnerability in Munin. The upstream patch caused a regression leading to errors being appended to the log file. This update fixes the problem. Original advisory details: It was discovered that Munin incorrectly handled CGI graphs. A remote attacker could use this issue to overwrite arbitrary files as ...

LP: 1669764

USN-3215-1: Munin vulnerability - 2nd March 2017

It was discovered that Munin incorrectly handled CGI graphs. A remote attacker could use this issue to overwrite arbitrary files as the www-data user.

CVE-2017-6188

USN-3214-1: w3m vulnerabilities - 2nd March 2017

A large number of security issues were discovered in the w3m browser. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.

CVE-2016-9422 CVE-2016-9423 CVE-2016-9424 CVE-2016-9425 CVE-2016-9426 CVE-2016-9428 CVE-2016-9429 CVE-2016-9430 CVE-2016-9431 CVE-2016-9432 CVE-2016-9433 CVE-2016-9434 CVE-2016-9435 CVE-2016-9436 CVE-2016-9437 CVE-2016-9438 CVE-2016-9439 CVE-2016-9440 CVE-2016-9441 CVE-2016-9442 CVE-2016-9443 CVE-2016-9622 CVE-2016-9623 CVE-2016-9624 CVE-2016-9625 CVE-2016-9626 CVE-2016-9627 CVE-2016-9628 CVE-2016-9629 CVE-2016-9630 CVE-2016-9631 CVE-2016-9632 CVE-2016-9633

USN-3213-1: GD library vulnerabilities - 28th February 2017

Stefan Esser discovered that the GD library incorrectly handled memory when processing certain images. If a user or automated system were tricked into processing a specially crafted image, an attacker could cause a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 ...

CVE-2016-10166 CVE-2016-10167 CVE-2016-10168 CVE-2016-6906 CVE-2016-6912 CVE-2016-9317 CVE-2016-9933

USN-3210-1: LibreOffice vulnerability - 23rd February 2017

Ben Hayak discovered that it was possible to make LibreOffice Calc and Writer disclose arbitrary files to an attacker if a user opened a specially crafted file with embedded links.

CVE-2017-3157

USN-3142-2: ImageMagick regression - 22nd February 2017

USN-3142-1 fixed vulnerabilities in ImageMagick. The security fixes introduced a regression with text labels and a regression with the text coder. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated ...

LP: 1589580 LP: 1646485

USN-3208-2: Linux kernel (Xenial HWE) vulnerabilities - 22nd February 2017

USN-3208-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that the generic SCSI block layer in the Linux kernel did not properly restrict write ...

CVE-2016-10088 CVE-2016-9191 CVE-2016-9588 CVE-2017-2583 CVE-2017-2584 CVE-2017-5549 CVE-2017-6074

USN-3207-1: Linux kernel vulnerabilities - 21st February 2017

It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-7910) Dmitry Vyukov discovered a use-after-free vulnerability in the sys_ioprio_get() function in the Linux ...

CVE-2016-7910 CVE-2016-7911 CVE-2017-6074

USN-3204-1: Tomcat vulnerability - 20th February 2017

It was discovered that Tomcat incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to cause Tomcat to consume resources, resulting in a denial of service.

CVE-2017-6056

USN-3203-1: gtk-vnc vulnerabilities - 20th February 2017

It was discovered that gtk-vnc incorrectly validated certain data. A malicious server could use this issue to cause gtk-vnc to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2017-5884 CVE-2017-5885

USN-3202-1: Spice vulnerabilities - 20th February 2017

Frediano Ziglio discovered that Spice incorrectly handled certain client messages. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2016-9577 CVE-2016-9578

USN-3199-2: Python Crypto regression - 17th February 2017

USN-3199-1 fixed a vulnerability in the Python Cryptography Toolkit. Unfortunately, various programs depended on the original behavior of the Python Cryptography Toolkit which was altered when fixing the vulnerability. This update retains the fix for the vulnerability but issues a warning rather than throwing an exception. Code which produces this ...

CVE-2013-7459

USN-3199-1: Python Crypto vulnerability - 16th February 2017

It was discovered that the ALGnew function in block_templace.c in the Python Cryptography Toolkit contained a heap-based buffer overflow vulnerability. A remote attacker could use this flaw to execute arbitrary code by using a crafted initialization vector parameter.

CVE-2013-7459

USN-3201-1: Bind vulnerabilities - 16th February 2017

It was discovered that Bind incorrectly handled rewriting certain query responses when using both DNS64 and RPZ. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service.

CVE-2017-3135

USN-3197-1: libgc vulnerability - 15th February 2017

Kuang-che Wu discovered that multiple integer overflow vulnerabilities existed in libgc. An attacker could use these to cause a denial of service (application crash) or possibly execute arbitrary code.

CVE-2016-9427

USN-3196-1: PHP vulnerabilities - 14th February 2017

It was discovered that PHP incorrectly handled certain arguments to the locale_get_display_name function. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2014-9912) It was discovered that PHP incorrectly handled certain invalid objects when unserializing data. ...

CVE-2014-9912 CVE-2016-10158 CVE-2016-10159 CVE-2016-10160 CVE-2016-10161 CVE-2016-7478 CVE-2016-7479 CVE-2016-9137 CVE-2016-9934 CVE-2016-9935

USN-3194-1: OpenJDK 7 vulnerabilities - 8th February 2017

Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update moves those algorithms to the legacy algorithm set and causes them to be ...

CVE-2016-2183 CVE-2016-5546 CVE-2016-5547 CVE-2016-5548 CVE-2016-5552 CVE-2017-3231 CVE-2017-3241 CVE-2017-3252 CVE-2017-3253 CVE-2017-3261 CVE-2017-3272 CVE-2017-3289

USN-3180-1: Oxide vulnerabilities - 8th February 2017

Multiple vulnerabilities were discovered in Chromium. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to conduct cross-site scripting (XSS) attacks, read uninitialized memory, obtain sensitive information, spoof the webview URL or other UI components, bypass same origin restrictions or other ...

CVE-2017-5006 CVE-2017-5007 CVE-2017-5008 CVE-2017-5009 CVE-2017-5010 CVE-2017-5011 CVE-2017-5012 CVE-2017-5014 CVE-2017-5017 CVE-2017-5019 CVE-2017-5022 CVE-2017-5023 CVE-2017-5024 CVE-2017-5025 CVE-2017-5026

USN-3175-2: Firefox regression - 6th February 2017

USN-3175-1 fixed vulnerabilities in Firefox. The update caused a regression on systems where the AppArmor profile for Firefox is set to enforce mode. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple memory safety issues were discovered in Firefox. If a user were tricked in ...

LP: 1659922

USN-3193-1: Nettle vulnerability - 6th February 2017

It was discovered that Nettle incorrectly mitigated certain timing side-channel attacks. A remote attacker could possibly use this flaw to recover private keys.

CVE-2016-6489

USN-3192-1: Squid vulnerabilities - 6th February 2017

Saulius Lapinskas discovered that Squid incorrectly handled processing HTTP conditional requests. A remote attacker could possibly use this issue to obtain sensitive information related to other clients' browsing sessions. (CVE-2016-10002) Felix Hassert discovered that Squid incorrectly handled certain HTTP Request headers when using the Collapsed Forwarding feature. A remote attacker ...

CVE-2016-10002 CVE-2016-10003

USN-3189-2: Linux kernel (Xenial HWE) vulnerabilities - 3rd February 2017

USN-3189-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Mikulas Patocka discovered that the asynchronous multibuffer cryptographic daemon (mcryptd) in the Linux kernel did not properly handle ...

CVE-2016-10147 CVE-2016-8399

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