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...

USN-1459-1: 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...

USN-1458-1: Linux kernel (OMAP4) vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to...

USN-1456-1: Nut vulnerability

Sebastian Pohle discovered that Nut did not properly validate its input when receiving data over the network. If upsd was configured to allow connections over the network, a remote attacker could exploit this to cause a denial of service application crash...

USN-1457-1: 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 found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user could exploit...

USN-1455-1: Linux kernel (Oneiric backport) 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...

USN-1454-1: Linux kernel vulnerability

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service...

USN-1453-1: Linux kernel (EC2) vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user coul...

USN-1452-1: Linux kernel 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...

USN-1451-1: OpenSSL vulnerabilities

Ivan Nestlerode discovered that the Cryptographic Message Syntax CMS and PKCS 7 implementations in OpenSSL returned early if RSA decryption failed. This could allow an attacker to expose sensitive information via a Million Message Attack MMA. CVE-2012-0884 It was discovered that an integer...

USN-1450-1: Net-SNMP vulnerability

It was discovered that Net-SNMP incorrectly performed entry lookups in the extension table. A remote attacker could send a specially crafted request and cause the SNMP server to crash, leading to a denial of service...

USN-1449-1: feedparser vulnerability

It was discovered that feedparser did not properly sanitize ENTITY declarations in encoded fields. A remote attacker could exploit this to cause a denial of service via memory exhaustion...

USN-1448-1: Linux kernel 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...

USN-1447-1: libxml2 vulnerability

Juri Aedla discovered that libxml2 contained an off by one error in its XPointer functionality. If a user or application linked against libxml2 were tricked into opening a specially crafted XML file, an attacker could cause the application to crash or possibly execute arbitrary code with the...

USN-1446-1: Linux kernel (OMAP4) vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to...

USN-1445-1: Linux kernel vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was found in the Linux kernel's KVM Kernel Virtual Machine virtual cpu setup. An unprivileged local user coul...

USN-1444-1: BackupPC vulnerability

It was discovered that BackupPC did not properly sanitize its input when processing RestoreFile error messages, resulting in a cross-site scripting XSS vulnerability. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a...

USN-1443-1: Update Manager vulnerabilities

It was discovered that Update Manager created system state archive files with incorrect permissions when upgrading releases. A local user could possibly use this to read repository credentials. CVE-2012-0948 Felix Geyer discovered that the Update Manager Apport hook incorrectly uploaded certain...

USN-1442-1: Sudo vulnerability

It was discovered that sudo incorrectly handled network masks when using Host and HostList. A local user who is listed in sudoers may be allowed to run commands on unintended hosts when IPv4 network masks are used to grant access. A local attacker could exploit this to bypass intended access...

USN-1441-1: Quagga vulnerabilities

It was discovered that Quagga incorrectly handled Link State Update messages with invalid lengths. A remote attacker could use this flaw to cause Quagga to crash, resulting in a denial of service. CVE-2012-0249, CVE-2012-0250 It was discovered that Quagga incorrectly handled messages with a...

USN-1440-1: Linux kernel (Natty backport) vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the...

USN-1432-1: Linux kernel vulnerabilities

A flaw was found in the Linux's kernels ext4 file system when mounted with a journal. A local, unprivileged user could exploit this flaw to cause a denial of service. CVE-2011-4086 A flaw was discovered in the Linux kernel's cifs file system. An unprivileged local user could exploit this flaw to...

USN-1439-1: Horizon vulnerabilities

Matthias Weckbecker discovered a cross-site scripting XSS vulnerability in Horizon via the log viewer refrash mechanism. If a user were tricked into viewing a specially crafted log message, a remote attacker could exploit this to modify the contents or steal confidential data within the same...

USN-1437-1: PHP vulnerability

It was discovered that PHP, when used as a stand alone CGI processor for the Apache Web Server, did not properly parse and filter query strings. This could allow a remote attacker to execute arbitrary code running with the privilege of the web server. Configurations using modphp5 and FastCGI were...

USN-1430-3: Thunderbird vulnerabilities

USN-1430-1 fixed vulnerabilities in Firefox. This update provides the corresponding fixes for Thunderbird. Original advisory details: Bob Clary, Christian Holler, Brian Hackett, Bobby Holley, Gary Kwong, Hilary Hall, Honza Bambas, Jesse Ruderman, Julian Seward, and Olli Pettay discovered memory...

USN-1438-1: Nova vulnerability

Dan Prince discovered that Nova did not enforce quotas for security groups and rules added to security groups. An authenticated user could exploit this to cause a denial of service...

USN-1436-1: Libtasn1 vulnerability

Matthew Hall discovered that Libtasn1 incorrectly handled certain large values. An attacker could exploit this with a specially crafted ASN.1 structure and cause a denial of service, or possibly execute arbitrary code...