USN-567-1: Dovecot vulnerability

It was discovered that in very rare configurations using LDAP, Dovecot may reuse cached connections for users with the same password. As a result, a user may be able to login as another if the connection is reused. The default Ubuntu configuration of Dovecot was not vulnerable...

Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : pwlib vulnerability (USN-561-1)

Jose Miguel Esparza discovered that pwlib did not correctly handle large string lengths. A remote attacker could send specially crafted packets to applications linked against pwlib e.g. Ekiga causing them to crash, leading to a denial of service. Note that Tenable Network Security has extracted t...

USN-566-1: OpenSSH vulnerability

Jan Pechanec discovered that ssh would forward trusted X11 cookies when untrusted cookie generation failed. This could lead to unintended privileges being forwarded to a remote host...

Linux Kernel IPv6 Hop-By-Hop头字段远程拒绝服务漏洞

Linux是一款开放源代码的操作系统。 Linux内核处理特定构建的IPv6 'Hop-By-Hop'头字段数据存在问题，远程攻击者可以利用漏洞对系统进行拒绝服务攻击。 由于skb-dst在ip6routeinput中分配，不正确在hop-by-hop选项处理器中使用，可导致造成内核出现问题，造成拒绝服务攻击。 Ubuntu Ubuntu Linux 7.10 sparc Ubuntu Ubuntu Linux 7.10 powerpc Ubuntu Ubuntu Linux 7.10 i386 Ubuntu Ubuntu Linux 7.10 amd64 Ubuntu Ubuntu...

Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : libcairo vulnerability (USN-550-1)

Peter Valchev discovered that Cairo did not correctly decode PNG image data. By tricking a user or automated system into processing a specially crafted PNG with Cairo, a remote attacker could execute arbitrary code with user privileges. Note that Tenable Network Security has extracted the precedi...

Ubuntu 7.10 : link-grammar vulnerability (USN-545-1)

Alin Rad Pop discovered that AbiWord's Link Grammar parser did not correctly handle overly-long words. If a user were tricked into opening a specially crafted document, AbiWord, or other applications using Link Grammar, could be made to crash. Note that Tenable Network Security has extracted the...

Ubuntu 7.10 : pidgin vulnerability (USN-548-1)

It was discovered that Pidgin did not correctly handle certain logging events. A remote attacker could send specially crafted messages and cause the application to crash, leading to a denial of service. Note that Tenable Network Security has extracted the preceding description block directly from...

USN-548-1: Pidgin vulnerability

It was discovered that Pidgin did not correctly handle certain logging events. A remote attacker could send specially crafted messages and cause the application to crash, leading to a denial of service...

USN-545-1: link-grammar vulnerability

Alin Rad Pop discovered that AbiWord's Link Grammar parser did not correctly handle overly-long words. If a user were tricked into opening a specially crafted document, AbiWord, or other applications using Link Grammar, could be made to crash...

Ubuntu 7.10 : emacs22 vulnerability (USN-541-1)

Drake Wilson discovered that Emacs did not correctly handle the safe mode of 'enable-local-variables'. If a user were tricked into opening a specially crafted file while 'enable-local-variables' was set to the non-default ':safe', a remote attacker could execute arbitrary commands with the user's...

Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : flac vulnerability (USN-540-1)

Sean de Regge discovered that flac did not properly perform bounds checking in many situations. An attacker could send a specially crafted FLAC audio file and execute arbitrary code as the user or cause a denial of service in flac or applications that link against flac. Note that Tenable Network...

[USN-541-1] Emacs vulnerability

=========================================================== Ubuntu Security Notice USN-541-1 November 13, 2007 emacs22 vulnerability CVE-2007-5795 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 7.10 This advisory also...

USN-541-1: Emacs vulnerability

Drake Wilson discovered that Emacs did not correctly handle the safe mode of "enable-local-variables". If a user were tricked into opening a specially crafted file while "enable-local-variables" was set to the non-default ":safe", a remote attacker could execute arbitrary commands with the user's...

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...

USN-537-2: Compiz vulnerability

USN-537-1 fixed vulnerabilities in gnome-screensaver. The fixes were incomplete, and only reduced the scope of the vulnerability, without fully solving it. This update fixes related problems in compiz. Original advisory details: Jens Askengren discovered that gnome-screensaver became confused whe...

Sql injection

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069...

CVE-2007-3920

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069...

CVE-2007-3920

CVE-2007-3920 concerns GNOME Screensaver 2.20 on Ubuntu 7.10 when used with Compiz, where input focus is not properly reserved. The result is that an attacker with physical access can gain session control after an Alt-Tab sequence, as described in the related CVE-2007-3069 context. Connected advi...

CVE-2007-3920

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069...

USN-531-1: dhcp vulnerability

Nahuel Riva and Gerardo Richarte discovered that the DHCP server did not correctly handle certain client options. A remote attacker could send malicious DHCP replies to the server and execute arbitrary code...