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-3239-3: GNU C Library regression - 24th March 2017

USN-3239-1 fixed vulnerabilities in the GNU C Library. Unfortunately, the fix for CVE-2016-3706 introduced a regression that in some circumstances prevented IPv6 addresses from resolving. This update reverts the change in Ubuntu 12.04 LTS. We apologize for the error. Original advisory details: It was discovered that the GNU C Library ...

https://bugs.launchpad.net/bugs/1674776

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-3234-1: Linux kernel vulnerabilities - 15th March 2017

Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel did not properly validate meta block groups. An attacker with physical access could use this to specially craft an ext4 image that causes a denial of service (system crash). (CVE-2016-10208) It was discovered that the Linux kernel did not ...

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-3229-1: Python Imaging Library vulnerabilities - 13th March 2017

It was discovered that the Python Imaging Library incorrectly handled certain compressed text chunks in PNG images. A remote attacker could possibly use this issue to cause the Python Imaging Library to crash, resulting in a denial of service. (CVE-2014-9601) Cris Neckar discovered that the Python Imaging Library incorrectly handled ...

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-3226-1: icoutils vulnerabilities - 13th March 2017

Jerzy Kramarz discovered that icoutils incorrectly handled memory when processing certain files. If a user or automated system were tricked into opening a specially crafted file, an attacker could cause icoutils to crash, resulting in a denial of service, or possibly execute arbitrary code.

CVE-2017-6009 CVE-2017-6010 CVE-2017-6011

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-3220-3: Linux kernel (AWS) vulnerability - 8th March 2017

USN-3220-1 fixed a vulnerability in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Amazon Web Services (AWS). 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 ...

CVE-2017-2636

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-3221-2: Linux kernel (HWE) vulnerability - 7th March 2017

USN-3221-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS. Alexander Popov discovered that the N_HDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker ...

CVE-2017-2636

USN-3221-1: 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-3220-1: 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-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-3219-2: Linux kernel (Trusty HWE) vulnerability - 7th March 2017

USN-3219-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 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-3218-1: 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-3211-2: PHP regression - 2nd March 2017

USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15 upstream release. PHP 7.0.15 introduced a regression when using MySQL with large blobs. This update fixes the problem with a backported fix. Original advisory details: It was discovered that PHP incorrectly handled certain invalid objects when unserializing data. A ...

LP: 1668017

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-3211-1: PHP vulnerabilities - 23rd February 2017

It was discovered that PHP incorrectly handled certain invalid objects when unserializing data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-7479) It was discovered that PHP incorrectly handled certain invalid objects when unserializing data. ...

CVE-2016-10158 CVE-2016-10159 CVE-2016-10160 CVE-2016-10161 CVE-2016-10162 CVE-2016-7479 CVE-2016-9137 CVE-2016-9935 CVE-2016-9936 CVE-2017-5340

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-3209-1: Linux kernel vulnerabilities - 22nd February 2017

It was discovered that the generic SCSI block layer in the Linux kernel did not properly restrict write operations in certain situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-10088) Jim Mattson discovered that the KVM implementation in ...

CVE-2016-10088 CVE-2016-9588 CVE-2017-6074

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-3208-1: Linux kernel vulnerabilities - 22nd February 2017

It was discovered that the generic SCSI block layer in the Linux kernel did not properly restrict write operations in certain situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2016-10088) CAI Qian discovered that the sysctl implementation in ...

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

USN-3207-2: Linux kernel (Trusty HWE) vulnerabilities - 21st February 2017

USN-3207-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A ...

CVE-2016-7910 CVE-2016-7911 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

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