---------------------------------------------------------------------- Secunia customers receive relevant and filtered advisories. Delivery is done via different channels including SMS, Email, Web, and https based XML feed. http://corporate.secunia.com/trial/38/request/ ---------------------------------------------------------------------- TITLE: Gentoo courier-imap "XMAILDIR" Variable Command Injection SECUNIA ADVISORY ID: SA24963 VERIFY ADVISORY: http://secunia.com/advisories/24963/ CRITICAL: Highly critical IMPACT: System access WHERE: >From remote OPERATING SYSTEM: Gentoo Linux 1.x http://secunia.com/product/339/ DESCRIPTION: Gentoo has acknowledged a vulnerability in courier-imap, which potentially can be exploited by malicious people to compromise a vulnerable system. The vulnerability is caused due to incorrect handling of the "XMAILDIR" variable in courier-imapd.indirect and courier-pop3d.indirect. This may be exploited to e.g. execute commands with root privileges by logging in with specially crafted login data. SOLUTION: Update to "net-mail/courier-imap-4.0.6-r2" or later. PROVIDED AND/OR DISCOVERED BY: CJ Kucera. ORIGINAL ADVISORY: http://www.gentoo.org/security/en/glsa/glsa-200704-18.xml ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------