Ubuntu 6.06 LTS / 6.10 / 7.04 : xscreensaver vulnerability (USN-474-1)

It was discovered that xscreensaver did not correctly validate the return values from network authentication systems such as LDAP or NIS. A local attacker could bypass a locked screen if they were able to interrupt network connectivity. Note that Tenable Network Security has extracted the precedi...

Ubuntu 6.06 LTS / 6.10 / 7.04 : pptpd vulnerability (USN-459-1)

A flaw was discovered in the PPTP tunnel server. Remote attackers could send a specially crafted packet and disrupt established PPTP tunnels, leading to a denial of service. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory...

Ubuntu 5.10 / 6.06 LTS : firefox vulnerabilities (USN-381-1)

USN-351-1 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...

Ubuntu 6.06 LTS / 6.10 / 7.04 : gimp vulnerability (USN-467-1)

It was discovered that Gimp did not correctly handle RAS image format color tables. By tricking a user into opening a specially crafted RAS file with Gimp, an attacker could exploit this to execute arbitrary code with the user's privileges. Note that Tenable Network Security has extracted the...

Ubuntu 5.04 / 5.10 / 6.06 LTS : kdelibs vulnerability (USN-322-1)

A Denial of Service vulnerability has been reported in the replaceChild method in KDE's DOM handler. A malicious remote web page could exploit this to cause Konqueror to crash. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security...

Ubuntu 7.10 : gnome-screensaver vulnerability (USN-537-1)

Jens Askengren discovered that gnome-screensaver became confused when running under Compiz, and could lose keyboard lock focus. A local attacker could exploit this to bypass the user's locked screen saver. Note that Tenable Network Security has extracted the preceding description block directly...

Ubuntu 6.06 LTS / 6.10 / 7.04 : t1lib vulnerability (USN-515-1)

It was discovered that t1lib does not properly perform bounds checking which can result in a buffer overflow vulnerability. An attacker could send specially crafted input to applications linked against t1lib which could result in a DoS or arbitrary code execution. Note that Tenable Network Securi...

Ubuntu 6.06 LTS / 6.10 / 7.04 : openssl vulnerabilities (USN-522-1)

It was discovered that OpenSSL did not correctly perform Montgomery multiplications. Local attackers might be able to reconstruct RSA private keys by examining another user's OpenSSL processes. CVE-2007-3108 Moritz Jodeit discovered that OpenSSL's SSLgetsharedciphers function did not correctly...

Ubuntu 5.04 / 5.10 / 6.06 LTS : heartbeat vulnerability (USN-335-1)

Yan Rong Ge discovered that heartbeat did not sufficiently verify some packet input data, which could lead to an out-of-boundary memory access. A remote attacker could exploit this to crash the daemon Denial of Service. Note that Tenable Network Security has extracted the preceding description...

Ubuntu 5.04 / 5.10 / 6.06 LTS : awstats vulnerabilities (USN-360-1)

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...

Ubuntu 6.06 LTS / 6.10 / 7.04 : firefox vulnerabilities (USN-490-1)

Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. CVE-2007-3734, CVE-2007-3735 Flaws were discovered in the JavaScript methods addEventListener and setTimeo...

Ubuntu 5.10 / 6.06 LTS / 6.10 : xmms vulnerabilities (USN-445-1)

Sven Krewitt of Secunia Research discovered that XMMS did not correctly handle BMP images when loading GUI skins. If a user were tricked into loading a specially crafted skin, a remote attacker could execute arbitrary code with user privileges. Note that Tenable Network Security has extracted the...

Ubuntu 6.06 LTS : mozilla-thunderbird vulnerabilities (USN-329-1)

Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges by tricking the user into opening a malicious email containing JavaScript. Please note that JavaScript is disabled by default for emails, and it is not recommended to enable it. CVE-2006-3113,...

Ubuntu 6.06 LTS / 6.10 / 7.04 : imagemagick vulnerabilities (USN-523-1)

Multiple vulnerabilities were found in the image decoders of ImageMagick. If a user or automated system were tricked into processing a malicious DCM, DIB, XBM, XCF, or XWD image, a remote attacker could execute arbitrary code with user privileges. Note that Tenable Network Security has extracted...

Ubuntu 5.04 / 5.10 / 6.06 LTS : bind9 vulnerabilities (USN-343-1)

bind did not sufficiently verify particular requests and responses from other name servers and users. By sending a specially crafted packet, a remote attacker could exploit this to crash the name server. Note that Tenable Network Security has extracted the preceding description block directly fro...

Ubuntu 6.06 LTS / 6.10 / 7.04 : tar vulnerability (USN-506-1)

Dmitry V. Levin discovered that tar did not correctly detect the '..' file path element when unpacking archives. If a user or an automated system were tricked into unpacking a specially crafted tar file, arbitrary files could be overwritten with user privileges. Note that Tenable Network Security...

Ubuntu 6.06 LTS / 6.10 : linux-restricted-modules-2.6.15, linux-restricted-modules-2.6.17 vulnerability (USN-377-1)

Derek Abdine discovered that the NVIDIA Xorg driver did not correctly verify the size of buffers used to render text glyphs. When displaying very long strings of text, the Xorg server would crash. If a user were tricked into viewing a specially crafted series of glyphs, this flaw could be exploit...

Ubuntu 5.04 / 5.10 / 6.06 LTS : php4, php5 vulnerabilities (USN-342-1)

The sscanf function did not properly check array boundaries. In applications which use sscanf with argument swapping, a remote attacker could potentially exploit this to crash the affected web application or even execute arbitrary code with the application's privileges. CVE-2006-4020 The fileexis...

Ubuntu 6.06 LTS / 6.10 / 7.04 : firefox vulnerabilities (USN-493-1)

A flaw was discovered in handling of 'about:blank' windows used by addons. A malicious website could exploit this to modify the contents, or steal confidential data such as passwords, of other web pages. CVE-2007-3844 Jesper Johansson discovered that spaces and double-quotes were not correctly...

Ubuntu 5.04 / 5.10 / 6.06 LTS : linux-source-2.6.10/-2.6.12/-2.6.15 vulnerabilities (USN-311-1)

A race condition was discovered in the doaddcounters functions. Processes which do not run with full root privileges, but have the CAPNETADMIN capability can exploit this to crash the machine or read a random piece of kernel memory. In Ubuntu there are no packages that are affected by this, so th...