USN-3276-2: shadow regression

USN-3276-1 intended to fix a vulnerability in su. The solution introduced a regression in su signal handling. This update modifies the security fix. We apologize for the inconvenience. Original advisory details: Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker...

USN-3276-1: shadow vulnerabilities

Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker could possibly cause them to crash or potentially gain privileges via crafted input. CVE-2016-6252 Tobias Stöckmann discovered a race condition in su. A local attacker could cause su to send SIGKILL to other...

USN-3229-1: Python Imaging Library vulnerabilities

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...

USN-3106-2: Linux kernel (Xenial HWE) vulnerability

USN-3106-1 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 a race condition existed in the memory manager of the Linux...

USN-3089-1: Django vulnerability

Sergey Bobrov discovered that Django incorrectly parsed cookies when being used with Google Analytics. A remote attacker could possibly use this issue to set arbitrary cookies leading to a CSRF protection bypass...

USN-3064-1: GnuPG vulnerability

Felix Dörre and Vladimir Klebanov discovered that GnuPG incorrectly handled mixing functions in the random number generator. An attacker able to obtain 4640 bits from the RNG can trivially predict the next 160 bits of output...

USN-3016-1: Linux kernel vulnerabilities

Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility IPTSOSETREPLACE events on 64 bit platforms. A local unprivileged attacker could use this to cause a denial of service system crash or execute...

USN-3010-1: Expat vulnerabilities

It was discovered that Expat unexpectedly called srand in certain circumstances. This could reduce the security of calling applications. CVE-2012-6702 It was discovered that Expat incorrectly handled seeding the random number generator. A remote attacker could possibly use this issue to cause a...

USN-2937-1: WebKitGTK+ vulnerabilities

A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. 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...

USN-2904-1: Thunderbird vulnerabilities

Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information. CVE-2015-7575 Yves Younan discovered that...

USN-2858-2: Linux kernel (Wily HWE) vulnerability

Nathan Williams discovered that overlayfs in the Linux kernel incorrectly handled setattr operations. A local unprivileged attacker could use this to create files with administrative permission attributes and execute arbitrary code with elevated privileges...

USN-2833-1: Firefox vulnerabilities

Andrei Vaida, Jesse Ruderman, Bob Clary, Christian Holler, Jesse Ruderman, Eric Rahm, Robert Kaiser, Harald Kirschner, and Michael Henretty discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...

USN-2815-1: libpng vulnerabilities

Mikulas Patocka discovered that libpng incorrectly handled certain large fields. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause libpng to crash, leading to a denial of service. This issue only affected Ubuntu...

USN-2808-1: wpa_supplicant and hostapd vulnerabilities

It was discovered that wpasupplicant incorrectly handled WMM Sleep Mode Response frame processing. A remote attacker could use this issue to perform broadcast/multicast packet injections, or cause a denial of service. CVE-2015-5310 It was discovered that wpasupplicant and hostapd incorrectly...

USN-2795-1: Linux kernel (Trusty HWE) vulnerabilities

It was discovered that in certain situations, a directory could be renamed outside of a bind mounted location. An attacker could use this to escape bind mount containment and gain access to sensitive information. CVE-2015-2925 Moein Ghasemzadeh discovered that the USB WhiteHEAT serial driver...

USN-2777-1: Linux kernel (Utopic HWE) vulnerabilities

It was discovered that virtio networking in the Linux kernel did not handle fragments correctly, leading to kernel memory corruption. A remote attacker could use this to cause a denial of service system crash or possibly execute code with administrative privileges. CVE-2015-5156 Benjamin Randazzo...

USN-2774-1: Linux kernel (OMAP4) vulnerabilities

It was discovered that virtio networking in the Linux kernel did not handle fragments correctly, leading to kernel memory corruption. A remote attacker could use this to cause a denial of service system crash or possibly execute code with administrative privileges. CVE-2015-5156 It was discovered...

USN-2728-1: Bind vulnerability

Hanno Böck discovered that Bind incorrectly handled certain malformed keys when configured to perform DNSSEC validation. A remote attacker could use this issue with specially crafted zone data to cause Bind to crash, resulting in a denial of service...

USN-2655-1: Tomcat vulnerabilities

It was discovered that Tomcat incorrectly handled data with malformed chunked transfer coding. A remote attacker could possibly use this issue to conduct HTTP request smuggling attacks, or cause Tomcat to consume resources, resulting in a denial of service. CVE-2014-0227 It was discovered that...

USN-2626-1: Qt vulnerabilities

Wolfgang Schenk discovered that Qt incorrectly handled certain malformed GIF images. If a user or automated system were tricked into opening a specially crafted GIF image, a remote attacker could use this issue to cause Qt to crash, resulting in a denial of service. This issue only applied to...

USN-2602-1: Firefox vulnerabilities

Jesse Ruderman, Mats Palmgren, Byron Campen, Steve Fink, Gary Kwong, Andrew McCreight, Christian Holler, Jon Coppeard, and Milan Sreckovic discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...

USN-2605-1: ICU vulnerabilities

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

USN-2553-1: LibTIFF vulnerabilities

William Robinet discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user...

USN-2519-1: GNU C Library vulnerabilities

Arnaud Le Blanc discovered that the GNU C Library incorrectly handled file descriptors when resolving DNS queries under high load. This may cause a denial of service in other applications, or an information leak. This issue only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS and Ubuntu 14.04 LTS...

USN-2480-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes a new upstream MySQL version to fix these issues. MySQL has been updated to 5.5.41. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes. Please see the...

USN-2449-1: NTP vulnerabilities

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...

USN-2409-1: QEMU vulnerabilities

Laszlo Ersek discovered that QEMU incorrectly handled memory in the vga device. A malicious guest could possibly use this issue to read arbitrary host memory. This issue only affected Ubuntu 14.04 LTS and Ubuntu 14.10. CVE-2014-3615 Xavier Mehrenberger and Stephane Duverger discovered that QEMU...

USN-2386-1: OpenJDK 6 vulnerabilities

A vulnerability was discovered in the OpenJDK JRE related to information disclosure and data integrity. An attacker could exploit this to expose sensitive data over the network. CVE-2014-6457 Several vulnerabilities were discovered in the OpenJDK JRE related to data integrity. CVE-2014-6502,...

USN-2311-2: OpenStack Ceilometer vulnerability

USN-2311-1 fixed vulnerabilities in pyCADF. This update provides the corresponding updates for OpenStack Ceilometer. Original advisory details: Zhi Kun Liu discovered that pyCADF incorrectly filtered certain tokens. An attacker could possibly use this issue to obtain authentication tokens used in...

USN-2211-1: libXfont vulnerabilities

Ilja van Sprundel discovered that libXfont incorrectly handled font metadata file parsing. A local attacker could use this issue to cause libXfont to crash, or possibly execute arbitrary code in order to gain privileges. CVE-2014-0209 Ilja van Sprundel discovered that libXfont incorrectly handled...

USN-2182-1: QEMU vulnerabilities

Michael S. Tsirkin discovered that QEMU incorrectly handled vmxnet3 devices. A local guest could possibly use this issue to cause a denial of service, or possibly execute arbitrary code on the host. This issue only applied to Ubuntu 13.10 and Ubuntu 14.04 LTS. CVE-2013-4544 Michael S. Tsirkin...

USN-2169-2: Django regression

USN-2169-1 fixed vulnerabilities in Django. The upstream security patch for CVE-2014-0472 introduced a regression for certain applications. This update fixes the problem. Original advisory details: Benjamin Bach discovered that Django incorrectly handled dotted Python paths when using the reverse...

USN-2150-1: Firefox vulnerabilities

Benoit Jacob, Olli Pettay, Jan Varga, Jan de Mooij, Jesse Ruderman, Dan Gohman, Christoph Diehl, Gregor Wagner, Gary Kwong, Luke Wagner, Rob Fletcher and Makoto Kato discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker...

USN-2114-1: Linux kernel vulnerabilities

Vasily Kulikov reported a flaw in the Linux kernel's implementation of ptrace. An unprivileged local user could exploit this flaw to obtain sensitive information from kernel memory. CVE-2013-2929 A flaw in the handling of memory regions of the kernel virtual machine KVM subsystem was discovered. ...

USN-2074-1: Linux kernel (OMAP4) vulnerabilities

Dave Jones and Vince Weaver reported a flaw in the Linux kernel's per event subsystem that allows normal users to enable function tracing. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from the kernel. CVE-2013-2930 Stephan Mueller reported an erro...

USN-2052-1: Firefox vulnerabilities

Ben Turner, Bobby Holley, Jesse Ruderman, Christian Holler and Christoph Diehl 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 cause a denial of service via application crash, or...

USN-1985-1: Python 3.3 vulnerabilities

Florian Weimer discovered that Python incorrectly handled matching multiple wildcards in ssl certificate hostnames. An attacker could exploit this to cause Python to consume resources, resulting in a denial of service. CVE-2013-2099 Ryan Sleevi discovered that Python did not properly handle...

USN-1970-1: Linux kernel (Quantal HWE) vulnerabilities

Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service system crash. CVE-2013-4254 A failure to validate block numbers was discovered in the Linux kernel's implementation of th...

USN-1955-1: apt-xapian-index vulnerability

It was discovered that apt-xapian-index was using polkit in an unsafe manner. A local attacker could possibly use this issue to bypass intended polkit authorizations...

USN-1943-1: Linux kernel (Raring HWE) vulnerabilities

Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local user could exploit this flaw to run commands as root when using the perf tool. CVE-2013-1060 A flaw was discovered in the Xen subsystem of the Linux kernel when it provides read-only...

USN-1924-2: Ubufox and Unity Firefox Extension update

USN-1924-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Ubufox and Unity Firefox Extension. Original advisory details: Jeff Gilbert, Henrik Skupin, Ben Turner, Christian Holler, Andrew McCreight, Gary Kwong, Jan Varga and Jesse Ruderman discovered multiple...

USN-1886-1: Puppet vulnerability

It was discovered that Puppet incorrectly handled YAML payloads. An attacker on an untrusted client could use this issue to execute arbitrary code on the primary server...

USN-1745-1: Linux kernel (OMAP4) vulnerability

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator. CVE-2013-0871 A flaw was discovered in the Edgeort USB serial converter...

USN-1687-1: NSS vulnerability

Two intermediate CA certificates were mis-issued by the TURKTRUST certificate authority. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information...

USN-1620-2: Thunderbird vulnerabilities

USN-1620-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Thunderbird. Please note that Thunderbird is only affected by window.location issues through RSS feeds and extensions that load web content. Original advisory details: Mariusz Mlynski and others...

USN-1597-1: Linux kernel (EC2) vulnerability

A flaw was found in how the Linux kernel passed the replacement session keyring to a child process. An unprivileged local user could exploit this flaw to cause a denial of service panic...

USN-1572-1: Linux kernel vulnerabilities

Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO TCP segment offload. A local or peer user could exploit this flaw to to cause a denial of service. CVE-2012-3412 Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS...

USN-1540-2: NSS vulnerability

USN-1540-1 fixed vulnerabilities in NSS. This update provides the corresponding updates for Ubuntu 12.04 LTS. Original advisory details: Kaspar Brand discovered a vulnerability in how the Network Security Services NSS ASN.1 decoder handles zero length items. If the user were tricked into opening ...

USN-1492-1: Linux kernel vulnerabilities

Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. CVE-2012-2313 Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user...

USN-1489-1: Linux kernel (Oneiric backport) vulnerability

A flaw was discovered in the Linux kernel's NFSv4 Network file system handling of ACLs access control lists. A remote NFS server attacker could cause a denial of service OOPS...