USN-1497-1: Nova vulnerabilities

Matthias Weckbecker discovered that, when using the OpenStack API to setup libvirt-based hypervisors, an authenticated user could inject files in arbitrary locations on the file system of the host running Nova. A remote attacker could use this to gain root privileges. This issue only affects Ubun...

USN-1496-1: OpenOffice.org vulnerabilities

A stack-based buffer overflow was discovered in the Lotus Word Pro import filter in OpenOffice.org. The default compiler options for affected releases should reduce the vulnerability to a denial of service. CVE-2011-2685 Huzaifa Sidhpurwala discovered that OpenOffice.org could be made to crash if...

USN-1495-1: LibreOffice vulnerabilities

Integer overflows were discovered in the graphics loading code of several different image types. If a user were tricked into opening a specially crafted file, an attacker could cause LibreOffice to crash or possibly execute arbitrary code with the privileges of the user invoking the program...

USN-1494-1: Linux kernel (OMAP4) 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...

USN-1493-1: 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-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-1491-1: Linux kernel (EC2) 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-1490-1: Linux kernel (Natty backport) 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...

USN-1488-1: 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-1487-1: Linux kernel 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...

USN-1486-1: Linux kernel 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...

USN-1484-1: PyCrypto vulnerability

It was discovered that PyCrypto produced inappropriate prime numbers when generating ElGamal keys. An attacker could use this flaw to facilitate brute-forcing of ElGamal encryption keys...

USN-1485-1: AccountsService vulnerability

Florian Weimer discovered that AccountsService incorrectly handled privileges when copying certain files to the system cache directory. A local attacker could exploit this issue to read arbitrary files, bypassing intended permissions...

USN-1483-1: NetworkManager vulnerability

It was discovered that certain wireless drivers incorrectly handled the creation of WPA-secured AdHoc connections. This could result in AdHoc wireless connections being created without any security at all. This update removes WPA as a security choice for AdHoc connections in NetworkManager...

USN-1483-2: network-manager-applet vulnerability

USN-1483-1 fixed a vulnerability in NetworkManager by disabling the creation of WPA-secured AdHoc wireless connections. This update provides the corresponding change for network-manager-applet. Original advisory details: It was discovered that certain wireless drivers incorrectly handled the...

USN-1463-6: Thunderbird vulnerabilities

USN-1463-1 fixed vulnerabilities in Firefox. This update provides the corresponding fixes for Thunderbird. Original advisory details: Jesse Ruderman, Igor Bukanov, Bill McCloskey, Christian Holler, Andrew McCreight, Olli Pettay, Boris Zbarsky, and Brian Bondy discovered memory safety issues...

USN-1463-5: Unity 2D update

USN-1463-2 fixed a bug in Unity 2D exposed by a recent Firefox update. It was discovered that the issue was only partially fixed on Ubuntu 11.04. When Thunderbird was started from the launcher, Thunderbird was still unable to obtain pointer grabs under certain conditions. This update fixes the...

USN-1463-4: Thunderbird vulnerabilities

USN-1463-1 fixed vulnerabilities in Firefox. This update provides the corresponding fixes for Thunderbird. Original advisory details: Jesse Ruderman, Igor Bukanov, Bill McCloskey, Christian Holler, Andrew McCreight, Olli Pettay, Boris Zbarsky, and Brian Bondy discovered memory safety issues...

USN-1463-3: Firefox regressions

USN-1463-1 fixed vulnerabilities in Firefox. The new package caused a regression in the rendering of Hebrew text and the ability of the Hotmail inbox to auto-update. This update fixes the problem. Original advisory details: Jesse Ruderman, Igor Bukanov, Bill McCloskey, Christian Holler, Andrew...

USN-1482-2: ClamAV regression

USN-1482-1 fixed vulnerabilities in ClamAV. The updated packages could fail to install in certain situations. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that ClamAV incorrectly handled certain malformed TAR archives. A remote...

USN-1482-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled certain malformed TAR archives. A remote attacker could create a specially-crafted TAR file containing malware that could escape being detected. CVE-2012-1457, CVE-2012-1459 It was discovered that ClamAV incorrectly handled certain malformed CHM...

USN-1481-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain Tidy::diagnose operations on invalid objects. A remote attacker could use this flaw to cause PHP to crash, leading to a denial of service. CVE-2012-0781 It was discovered that PHP incorrectly handled certain multi-file upload filenames. A...

USN-1480-1: Raptor vulnerability

Timothy D. Morgan discovered that Raptor would unconditionally load XML external entities. If a user were tricked into opening a specially crafted document in an application linked against Raptor, an attacker could possibly obtain access to arbitrary files on the user's system or potentially...

USN-1479-1: FFmpeg vulnerabilities

Mateusz Jurczyk and Gynvael Coldwind discovered that FFmpeg incorrectly handled certain malformed DV files. If a user were tricked into opening a crafted DV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user...

USN-1478-1: Libav vulnerabilities

Mateusz Jurczyk and Gynvael Coldwind discovered that Libav incorrectly handled certain malformed DV files. If a user were tricked into opening a crafted DV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user...

USN-1477-1: APT vulnerability

Georgi Guninski discovered that APT did not properly validate imported keyrings via apt-key net-update. USN-1475-1 added additional verification for imported keyrings, but it was insufficient. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be...

USN-1476-1: Linux kernel (OMAP4) vulnerabilities

Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server attacker could exploit this flaw to cause a denial of service. CVE-2011-4131 A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage...

USN-1463-2: Unity 2D update

USN-1463-1 fixed vulnerabilities in Firefox. The Firefox update exposed a bug in Unity 2D which resulted in Firefox being unable to obtain pointer grabs in order to open popup menus. This update fixes the problem...

USN-1475-1: APT update

Georgi Guninski discovered that APT relied on GnuPG argument order and did not check GPG subkeys when validating imported keyrings via apt-key net-update. While it appears that a machine-in-the-middle attacker cannot exploit this, as a hardening measure this update adjusts apt-key to validate all...

USN-1474-1: Linux kernel (OMAP4) vulnerabilities

A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. CVE-2012-2121 Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An...

USN-1473-1: Linux kernel vulnerabilities

A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. CVE-2012-2121 Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An...

USN-1466-2: Nova regression

USN 1466-1 fixed a vulnerability in Nova. The upstream patch introduced a regression when a security group granted full access and therefore the network protocol was left unset, causing an error in processing. This update fixes the issue. We apologize for the inconvenience. Original advisory...

USN-1430-4: AppArmor update

USN-1430-1 fixed vulnerabilities in Firefox and USN-1430-3 fixed vulnerabilities in Thunderbird. This update provides an AppArmor package with updated abstractions for use with the latest Firefox and Thunderbird...

USN-1472-1: Linux kernel vulnerabilities

Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server attacker could exploit this flaw to cause a denial of service. CVE-2011-4131 A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage...

USN-1471-1: Linux kernel (Oneiric backport) vulnerabilities

Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server attacker could exploit this flaw to cause a denial of service. CVE-2011-4131 A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage...

USN-1470-1: Linux kernel (Natty backport) vulnerabilities

Andy Adamson discovered a flaw in the Linux kernel's NFSv4 implementation. A remote NFS server attacker could exploit this flaw to cause a denial of service. CVE-2011-4131 A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit...

USN-1469-1: Linux kernel (EC2) vulnerability

Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges...

USN-1468-1: Linux kernel vulnerability

Schacher Raindel discovered a flaw in the Linux kernel's memory handling when hugetlb is enabled. An unprivileged local attacker could exploit this flaw to cause a denial of service and potentially gain higher privileges...

USN-1467-1: MySQL vulnerabilities

It was discovered that certain builds of MySQL incorrectly handled password authentication on certain platforms. A remote attacker could use this issue to authenticate with an arbitrary password and establish a connection. CVE-2012-2122 MySQL has been updated to 5.5.24 in Ubuntu 12.04 LTS. Ubuntu...

USN-1466-1: Nova vulnerability

It was discovered that, when defining security groups in Nova using the EC2 or OS APIs, specifying the network protocol e.g. 'TCP' in the incorrect case would cause the security group to not be applied correctly. An attacker could use this to bypass Nova security group restrictions...

USN-1465-3: Ubuntu One Client regression

USN-1465-1 fixed vulnerabilities in Ubuntu One Client. The update failed to install on certain Ubuntu 10.04 LTS systems that had a legacy Python 2.5 package installed. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that the Ubuntu O...

USN-1463-1: Firefox vulnerabilities

Jesse Ruderman, Igor Bukanov, Bill McCloskey, Christian Holler, Andrew McCreight, Olli Pettay, Boris Zbarsky, and Brian Bondy discovered memory safety issues affecting Firefox. If the user were tricked into opening a specially crafted page, an attacker could possibly exploit these to cause a deni...

USN-1465-2: Ubuntu One storage protocol update

USN-1465-1 fixed a vulnerability in the Ubuntu One Client. This update adds a required fix to the Ubuntu One storage protocol library. Original advisory details: It was discovered that the Ubuntu One Client incorrectly validated server certificates when using HTTPS connections. If a remote attack...

USN-1465-1: Ubuntu One Client vulnerability

It was discovered that the Ubuntu One Client incorrectly validated server certificates when using HTTPS connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information...

USN-1464-1: Ubuntu Single Sign On Client vulnerability

It was discovered that the Ubuntu Single Sign On Client incorrectly validated server certificates when using HTTPS connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to alter or compromise confidential information...

USN-1462-1: Bind vulnerabilities

Dan Luther discovered that Bind incorrectly handled zero length rdata fields. A remote attacker could use this flaw to cause Bind to crash or behave erratically, resulting in a denial of service. CVE-2012-1667 It was discovered that Bind incorrectly handled revoked domain names. A remote attacker...

USN-1461-1: PostgreSQL vulnerabilities

It was discovered that PostgreSQL incorrectly handled certain bytes passed to the crypt function when using DES encryption. An attacker could use this flaw to incorrectly handle authentication. CVE-2012-2143 It was discovered that PostgreSQL incorrectly handled SECURITY DEFINER and SET attributes...

USN-1443-2: Update Manager vulnerability

USN-1443-1 fixed vulnerabilities in Update Manager. The fix for CVE-2012-0949 was discovered to be incomplete. This update fixes the problem. Original advisory details: Felix Geyer discovered that the Update Manager Apport hook incorrectly uploaded certain system state archive files to Launchpad...

USN-1460-1: Linux kernel (OMAP4) vulnerabilities

A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit this flaw to crash the system leading to a denial of service. CVE-2012-1601 Steve Grubb reported a flaw with Linux fscaps file system base capabilities when used to increa...