USN-2633-1: Linux kernel (Trusty HWE) vulnerabilities

Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service system crash or gain administrative privileges on the system. CVE-2015-3636 A memory corruption flaw was discovered in the Linux kernel's scsi...

USN-2632-1: Linux kernel (OMAP4) vulnerabilities

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service host crash. CVE-2015-2150 A privilege escalation was discovered in the fork syscall via t...

USN-2631-1: Linux kernel vulnerabilities

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service host crash. CVE-2015-2150 A privilege escalation was discovered in the fork syscall via t...

USN-2630-1: QEMU vulnerabilities

Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt,...

USN-2629-1: CUPS vulnerabilities

It was discovered that CUPS incorrectly handled reference counting when handling localized strings. A remote attacker could use this issue to escalate permissions, upload a replacement CUPS configuration file, and execute arbitrary code. CVE-2015-1158 It was discovered that the CUPS templating...

USN-2628-1: strongSwan vulnerability

Alexander E. Patrakov discovered that strongSwan incorrectly handled certain IKEv2 setups. A malicious server could possibly use this issue to obtain user credentials...

USN-2627-1: t1utils vulnerability

Jakub Wilk discovered that t1utils incorrectly handled certain malformed fonts. If a user or automated system were tricked into opening a specially crafted font, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...

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-2625-1: Apache HTTP Server update

As a security improvement, this update makes the following changes to the Apache package in Ubuntu 12.04 LTS: Added support for ECC keys and ECDH ciphers. The SSLProtocol configuration directive now allows specifying the TLSv1.1 and TLSv1.2 protocols. Ephemeral key handling has been improved,...

USN-2624-1: OpenSSL update

As a security improvement, this update removes the export cipher suites from the default cipher list to prevent their use in possible downgrade attacks...

USN-2623-1: ipsec-tools vulnerability

It was discovered that racoon, the ipsec-tools IKE daemon, incorrectly handled certain UDP packets. A remote attacker could use this issue to cause racoon to crash, resulting in a denial of service...

USN-2617-3: NTFS-3G vulnerability

USN-2617-1 fixed a vulnerability in NTFS-3G. The original patch did not completely address the issue. This update fixes the problem. Original advisory details: Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrati...

USN-2622-1: OpenLDAP vulnerabilities

It was discovered that OpenLDAP incorrectly handled certain search queries that returned empty attributes. A remote attacker could use this issue to cause OpenLDAP to assert, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. CVE-2012-1164 Michael Vishchers discovered th...

USN-2621-1: PostgreSQL vulnerabilities

Benkocs Norbert Attila discovered that PostgreSQL incorrectly handled authentication timeouts. A remote attacker could use this flaw to cause the unauthenticated session to crash, possibly leading to a security issue. CVE-2015-3165 Noah Misch discovered that PostgreSQL incorrectly handled certain...

USN-2620-1: Linux kernel vulnerability

A flaw was discovered in the Linux kernel's IPv4 networking when using TCP fast open to initiate a connection. An unprivileged local user could exploit this flaw to cause a denial of service system crash...

USN-2619-1: Linux kernel (Trusty HWE) vulnerability

A flaw was discovered in the Linux kernel's IPv4 networking when using TCP fast open to initiate a connection. An unprivileged local user could exploit this flaw to cause a denial of service system crash...

USN-2617-2: NTFS-3G vulnerability

USN-2617-1 fixed a vulnerability in FUSE. This update provides the corresponding fix for the embedded FUSE copy in NTFS-3G. Original advisory details: Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrative...

USN-2618-1: python-dbusmock vulnerability

It was discovered that python-dbusmock incorrectly handled template loading from shared directories. A local attacker could possibly use this issue to execute arbitrary code...

USN-2609-1: Apport vulnerabilities

Sander Bos discovered that Apport incorrectly handled permissions when the system was configured to generate core dumps for setuid binaries. A local attacker could use this issue to gain elevated privileges. CVE-2015-1324 Philip Pettersson discovered that Apport contained race conditions resultin...

USN-2617-1: FUSE vulnerability

Tavis Ormandy discovered that FUSE incorrectly filtered environment variables. A local attacker could use this issue to gain administrative privileges...

USN-2610-1: Oxide vulnerabilities

Several security issues were discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to bypass Same Origin Policy restrictions. CVE-2015-1253, CVE-2015-1254 A use-after-free was discovered in the...

USN-2616-1: Linux kernel vulnerabilities

Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes xattrs. A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. CVE-2014-9710 A memory corruption issue was discovered in AES decryption when using the...

USN-2615-1: Linux kernel (Utopic HWE) vulnerabilities

Alexandre Oliva reported a race condition flaw in the btrfs file system's handling of extended attributes xattrs. A local attacker could exploit this flaw to bypass ACLs and potentially escalate privileges. CVE-2014-9710 A memory corruption issue was discovered in AES decryption when using the...

USN-2614-1: Linux kernel vulnerabilities

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network LAN could potential exploit this flaw to cause a denial of service system crash of targeted system. CVE-2014-9715 Jan Beulic...

USN-2613-1: Linux kernel (Trusty HWE) vulnerabilities

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network LAN could potential exploit this flaw to cause a denial of service system crash of targeted system. CVE-2014-9715 Jan Beulic...

USN-2612-1: Linux kernel (OMAP4) vulnerabilities

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges. CVE-2015-3339 Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connecti...

USN-2611-1: Linux kernel vulnerability

Vincent Tondellier discovered an integer overflow in the Linux kernel's netfilter connection tracking accounting of loaded extensions. An attacker on the local area network LAN could potential exploit this flaw to cause a denial of service system crash of targeted system...

USN-2603-1: Thunderbird vulnerabilities

Jesse Ruderman, Mats Palmgren, Byron Campen, and Steve Fink discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application...

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-2608-1: QEMU vulnerabilities

Jason Geffner discovered that QEMU incorrectly handled the virtual floppy driver. This issue is known as VENOM. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, wh...

USN-2607-1: Module::Signature vulnerabilities

John Lightsey discovered that Module::Signature incorrectly handled PGP signature boundaries. A remote attacker could use this issue to trick Module::Signature into parsing the unsigned portion of the SIGNATURE file as the signed portion. CVE-2015-3406 John Lightsey discovered that...

USN-2606-1: OpenSSL update

For compatibility reasons, Ubuntu 12.04 LTS shipped OpenSSL with TLSv1.2 disabled when being used as a client. This update re-enables TLSv1.2 by default now that the majority of problematic sites have been updated to fix compatibility issues. For problematic environments, TLSv1.2 can be disabled...

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-2604-1: Libtasn1 vulnerability

Hanno Böck discovered that Libtasn1 incorrectly handled certain ASN.1 data. A remote attacker could possibly exploit this with specially crafted ASN.1 data and cause applications using Libtasn1 to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-2600-2: Linux kernel regression

USN-2600-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions. This update fixes the problem. We apologize for the inconvenience. Original advisory...

USN-2599-2: Linux kernel (Utopic HWE) vulnerability

USN-2599-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions. This update fixes the problem. We apologize for the inconvenience. Original advisory...

USN-2598-2: Linux kernel regression

USN-2598-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions. This update fixes the problem. We apologize for the inconvenience. Original advisory...

USN-2597-2: Linux kernel (Trusty HWE) regression

USN-2597-1 fixed vulnerabilities in the Linux kernel, however an unrelated regression in the auditing of some path names was introduced. Due to the regression the system could crash under certain conditions. This update fixes the problem. We apologize for the inconvenience. Original advisory...

USN-2582-1: Oxide vulnerabilities

A use-after-free was discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash, or execute arbitrary code with the privileges of the sandboxed render...

USN-2601-1: Linux kernel vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2600-1: Linux kernel vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2599-1: Linux kernel (Utopic HWE) vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2598-1: Linux kernel vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2597-1: Linux kernel (Trusty HWE) vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2596-1: Linux kernel vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2595-1: ppp vulnerability

It was discovered that ppp incorrectly handled large PIDs. When pppd is used with a RADIUS server, a remote attacker could use this issue to cause it to crash, resulting in a denial of service...

USN-2594-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled certain malformed files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, attackers would be isolated by the ClamAV AppArmor profile...

USN-2593-1: Dnsmasq vulnerability

Nick Sampanis discovered that Dnsmasq incorrectly handled certain malformed DNS requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly obtain sensitive information...

USN-2592-1: XML::LibXML vulnerability

Tilmann Haak discovered that XML::LibXML incorrectly handled the expandentities parameter in certain situations. A remote attacker could possibly use this issue to access sensitive information...

USN-2591-1: curl vulnerabilities

Paras Sethia discovered that curl could incorrectly re-use NTLM HTTP credentials when subsequently connecting to the same host over HTTP. CVE-2015-3143 Hanno Böck discovered that curl incorrectly handled zero-length host names. If a user or automated system were tricked into using a specially...