USN-1343-1: Thunderbird vulnerabilities

Alexandre Poirot, Chris Blizzard, Kyle Huey, Scoobidiver, Christian Holler, David Baron, Gary Kwong, Jim Blandy, Bob Clary, Jesse Ruderman, Marcia Knous, and Rober Longson discovered several memory safety issues which could possibly be exploited to crash Thunderbird or execute arbitrary code as t...

USN-1320-1: FFmpeg vulnerabilities

Steve Manzuik discovered that FFmpeg incorrectly handled certain malformed Matroska files. If a user were tricked into opening a crafted Matroska file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking th...

USN-1292-1: Linux kernel (Maverick backport) vulnerabilities

A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain root privileges. CVE-2011-4077 Nick Bowler discovered the kernel GHASH message digest algorithm incorrectly handled error conditions...

USN-1113-1: Postfix vulnerabilities

It was discovered that the Postfix package incorrectly granted write access on the PID directory to the postfix user. A local attacker could use this flaw to possibly conduct a symlink attack and overwrite arbitrary files. This issue only affected Ubuntu 6.06 LTS and 8.04 LTS. CVE-2009-2939 Wiets...

USN-1109-1: GIMP vulnerabilities

It was discovered that GIMP incorrectly handled malformed data in certain plugin configuration files. If a user were tricked into opening a specially crafted plugin configuration file, an attacker could cause GIMP to crash, or possibly execute arbitrary code with the user's privileges. The defaul...

USN-1102-1: tiff vulnerability

Martin Barbella discovered that the thunder aka ThunderScan decoder in the TIFF library incorrectly handled an unexpected BitsPerSample value. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privilege...

USN-1049-1: Firefox and Xulrunner vulnerabilities

Jesse Ruderman, Igor Bukanov, Olli Pettay, Gary Kwong, Jeff Walden, Henry Sivonen, Martijn Wargers, David Baron and Marcia Knous discovered several memory issues in the browser engine. An attacker could exploit these to crash the browser or possibly run arbitrary code as the user invoking the...

USN-1081-1: Linux kernel vulnerabilities

It was discovered that KVM did not correctly initialize certain CPU registers. A local attacker could exploit this to crash the system, leading to a denial of service. CVE-2010-3698 Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could...

USN-1071-1: Linux kernel vulnerabilities

Tavis Ormandy discovered that the Linux kernel did not properly implement exception fixup. A local attacker could exploit this to crash the kernel, leading to a denial of service. CVE-2010-3086 Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signednes...

USN-1016-1: libxml2 vulnerability

Bui Quang Minh discovered that libxml2 did not properly process XPath namespaces and attributes. If an application using libxml2 opened a specially crafted XML file, an attacker could cause a denial of service or possibly execute code as the user invoking the program...

USN-1011-3: Xulrunner vulnerability

USN-1011-1 fixed a vulnerability in Firefox. This update provides the corresponding update for Xulrunner. Original advisory details: Morten Krakvik discovered a heap-based buffer overflow in Firefox. If a user were tricked into navigating to a malicious site, an attacker could cause a denial of...

USN-1003-1: OpenSSL vulnerabilities

It was discovered that OpenSSL incorrectly handled return codes from the bnwexpand function calls. A remote attacker could trigger this flaw in services that used SSL to cause a denial of service or possibly execute arbitrary code with application privileges. This issue only affected Ubuntu 6.06...

USN-915-1: Thunderbird vulnerabilities

Several flaws were discovered in the JavaScript engine of Thunderbird. If a user had JavaScript enabled and were tricked into viewing malicious web content, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program...

USN-896-1: Firefox 3.5 and Xulrunner 1.9.1 vulnerabilities

Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. CVE-2010-0159 Orlando Barrera II...

USN-877-1: Firefox 3.0 and Xulrunner 1.9 regression

USN-873-1 fixed vulnerabilities in Firefox and Xulrunner. The upstream changes introduced a regression when using NTLM authentication. This update fixes the problem and adds additional stability fixes. We apologize for the inconvenience. Original advisory details: Jesse Ruderman, Josh Soref,...

USN-802-1: Apache vulnerabilities

It was discovered that modproxyhttp did not properly handle a large amount of streamed data when used as a reverse proxy. A remote attacker could exploit this and cause a denial of service via memory resource consumption. This issue affected Ubuntu 8.04 LTS, 8.10 and 9.04. CVE-2009-1890 It was...

USN-799-1: D-Bus vulnerability

It was discovered that the D-Bus library did not correctly validate signatures. If a local user sent a specially crafted D-Bus key, they could spoof a valid signature and bypass security policies...

USN-797-1: tiff vulnerability

It was discovered that the TIFF library did not correctly handle certain malformed TIFF images. If a user or automated system were tricked into processing a malicious image, a remote attacker could cause an application linked against libtiff to crash, leading to a denial of service...

USN-787-1: Apache vulnerabilities

Matthew Palmer discovered an underflow flaw in apr-util as included in Apache. An attacker could cause a denial of service via application crash in Apache using a crafted SVNMasterURI directive, .htaccess file, or when using modapreq2. This issue only affected Ubuntu 6.06 LTS. CVE-2009-0023 Sande...

USN-722-1: sudo vulnerability

Harald Koenig discovered that sudo did not correctly handle certain privilege changes when handling groups. If a local attacker belonged to a group included in a "RunAs" list in the /etc/sudoers file, that user could gain root privileges. This was not an issue for the default sudoers file shipped...

USN-690-2: Firefox vulnerabilities

Several flaws were discovered in the browser engine. These problems could allow an attacker to crash the browser and possibly execute arbitrary code with user privileges. CVE-2008-5500 Boris Zbarsky discovered that the same-origin check in Firefox could be bypassed by utilizing XBL-bindings. An...

USN-692-1: Gadu vulnerability

It was discovered that the Gadu library, used by some Instant Messaging clients, did not correctly verify certain packet sizes from the server. If a user connected to a malicious server, clients using Gadu could be made to crash, leading to a denial of service...

USN-685-1: Net-SNMP vulnerabilities

Wes Hardaker discovered that the SNMP service did not correctly validate HMAC authentication requests. An unauthenticated remote attacker could send specially crafted SNMPv3 traffic with a valid username and gain access to the user's views without a valid authentication passphrase. CVE-2008-0960...

USN-667-1: Firefox and xulrunner vulnerabilities

Liu Die Yu discovered an information disclosure vulnerability in Firefox when using saved .url shortcut files. If a user were tricked into downloading a crafted .url file and a crafted HTML file, an attacker could steal information from the user's cache. CVE-2008-4582 Georgi Guninski, Michal...

USN-664-1: Tk vulnerability

It was discovered that Tk could be made to overrun a buffer when loading certain images. If a user were tricked into opening a specially crafted GIF image, remote attackers could cause a denial of service or execute arbitrary code with user privileges...

USN-651-1: Ruby vulnerabilities

Akira Tagoh discovered a vulnerability in Ruby which lead to an integer overflow. If a user or automated system were tricked into running a malicious script, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program...

USN-635-1: xine-lib vulnerabilities

Alin Rad Pop discovered an array index vulnerability in the SDP parser. If a user or automated system were tricked into opening a malicious RTSP stream, a remote attacker may be able to execute arbitrary code with the privileges of the user invoking the program. CVE-2008-0073 Luigi Auriemma...

USN-626-1: Firefox and xulrunner vulnerabilities

A flaw was discovered in the browser engine. A variable could be made to overflow causing the browser to crash. If a user were tricked into opening a malicious web page, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the...

USN-612-2: OpenSSH vulnerability

A weakness has been discovered in the random number generator used by OpenSSL on Debian and Ubuntu systems. As a result of this weakness, certain encryption keys are much more common than they should be, such that an attacker could guess the key through a brute-force attack given minimal knowledg...

USN-592-1: Firefox vulnerabilities

Alexey Proskuryakov, Yosuke Hasegawa and Simon Montagu discovered flaws in Firefox's character encoding handling. If a user were tricked into opening a malicious web page, an attacker could perform cross-site scripting attacks. CVE-2008-0416 Various flaws were discovered in the JavaScript engine...

USN-577-1: Linux kernel vulnerability

Wojciech Purczynski discovered that the vmsplice system call did not properly perform verification of user-memory pointers. A local attacker could exploit this to overwrite arbitrary kernel memory and gain root privileges. CVE-2008-0600...

USN-528-1: MySQL vulnerabilities

Neil Kettle discovered that MySQL could be made to dereference a NULL pointer and divide by zero. An authenticated user could exploit this with a crafted IF clause, leading to a denial of service. CVE-2007-2583 Victoria Reznichenko discovered that MySQL did not always require the DROP privilege. ...

USN-507-1: tcp-wrappers vulnerability

It was discovered that the TCP wrapper library was incorrectly allowing connections to services that did not specify server-side connection details. Remote attackers could connect to services that had been configured to block such connections. This only affected Ubuntu Feisty...

USN-481-1: ImageMagick vulnerabilities

Multiple vulnerabilities were found in ImageMagick's handling of DCM and WXD image files. By tricking a user into processing a specially crafted image with an application that uses imagemagick, an attacker could execute arbitrary code with the user's privileges...

USN-477-1: krb5 vulnerabilities

Wei Wang discovered that the krb5 RPC library did not correctly handle certain error conditions. A remote attacker could cause kadmind to free an uninitialized pointer, leading to a denial of service or possibly execution of arbitrary code with root privileges. CVE-2007-2442 Wei Wang discovered...

USN-470-1: Linux kernel vulnerabilities

USN-464-1 fixed several vulnerabilities in the Linux kernel. Some additional code changes were accidentally included in the Feisty update which caused trouble for some people who were not using UUID-based filesystem mounts. These changes have been reverted. We apologize for the inconvenience. For...

USN-436-2: KTorrent vulnerability

USN-436-1 fixed a vulnerability in KTorrent. The original fix for path traversal was incomplete, allowing for alternate vectors of attack. This update solves the problem. Original advisory details: Bryan Burns of Juniper Networks discovered that KTorrent did not correctly validate the destination...

USN-428-2: Firefox regression

USN-428-1 fixed vulnerabilities in Firefox 1.5. However, changes to library paths caused applications depending on libnss3 to fail to start up. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Several flaws have been found that could be used to perform...

USN-382-1: Thunderbird vulnerabilities

USN-352-1 fixed a flaw in the verification of PKCS certificate signatures. Ulrich Kuehn discovered a variant of the original attack which the original fix did not cover. CVE-2006-5462 Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by trickin...

USN-360-1: awstats vulnerabilities

awstats did not fully sanitize input, which was passed directly to the user's browser, allowing for an XSS attack. If a user was tricked into following a specially crafted awstats URL, the user's authentication information could be exposed for the domain where awstats was hosted. CVE-2006-3681...

USN-339-1: OpenSSL vulnerability

Philip Mackenzie, Marius Schilder, Jason Waddle and Ben Laurie of Google Security discovered that the OpenSSL library did not sufficiently check the padding of PKCS 1 v1.5 signatures if the exponent of the public key is 3 which is widely used for CAs. This could be exploited to forge signatures...

USN-296-2: Firefox vulnerabilities

USN-296-1 fixed several vulnerabilities in Firefox for the Ubuntu 6.06 LTS release. This update provides the corresponding fixes for Ubuntu 5.04 and Ubuntu 5.10. For reference, these are the details of the original USN: Jonas Sicking discovered that under some circumstances persisted XUL attribut...

USN-275-1: Mozilla vulnerabilities

Web pages with extremely long titles caused subsequent launches of Mozilla browser to hang for up to a few minutes, or caused Mozilla to crash on computers with insufficient memory. CVE-2005-4134 Igor Bukanov discovered that the JavaScript engine did not properly declare some temporary variables...

USN-250-1: Linux kernel vulnerability

Herbert Xu discovered a remote Denial of Service vulnerability in the ICMP packet handler. In some situations a memory allocation was released twice, which led to memory corruption. A remote attacker could exploit this to crash the machine...

USN-197-1: Shorewall vulnerability

A firewall bypass vulnerability has been found in shorewall. If MACLISTTTL was set to a value greater than 0 or MACLISTDISPOSITION was set to "ACCEPT" in /etc/shorewall/shorewall.conf, and a client was positively identified through its MAC address, that client bypassed all other policies/rules in...

USN-78-1: Mailman vulnerability

An path traversal vulnerability has been discovered in the "private" module of Mailman. A flawed path sanitation algorithm allowed the construction of URLS to arbitrary files readable by Mailman. This allowed a remote attacker to retrieve configuration and password databases, private list archive...

USN-72-1: Perl vulnerabilities

Two exploitable vulnerabilities involving setuid-enabled perl scripts have been discovered. The package "perl-suid" provides a wrapper around perl which allows to use setuid-root perl scripts, i.e. user-callable Perl scripts which have full root privileges. Previous versions allowed users to...

USN-47-1: Linux kernel vulnerabilities

Georgi Guninski discovered two Denial of Service vulnerabilities in the Linux kernel. An integer overflow in the vcresize function caused the memory allocation for the new screen being too short, thus causing a buffer overflow and a kernel crash. There was also a memory leak in the ipoptionsget...

USN-25-1: libgd2 vulnerability

CAN-2004-0990 described several more buffer overflows which had been discovered in libgd2's PNG handling functions. However, it was determined that the update from USN-11-1 was not sufficient to prevent every possible attack, so another update is required. If an attacker tricked a user into loadi...

USN-9-1: tetex-bin vulnerabilities

Chris Evans and Marcus Meissner recently discovered several integer overflow vulnerabilities in xpdf, a viewer for PDF files. Because tetex-bin contains xpdf code, it is also affected. These vulnerabilities could be exploited by an attacker providing a specially crafted TeX, LaTeX, or PDF file...