---------------------------------------------------------------------- Do you need accurate and reliable IDS / IPS / AV detection rules? Get in-depth vulnerability details: http://secunia.com/binary_analysis/sample_analysis/ ---------------------------------------------------------------------- TITLE: SystemImager "si_mkbootserver" Insecure Temporary Files SECUNIA ADVISORY ID: SA32820 VERIFY ADVISORY: http://secunia.com/advisories/32820/ CRITICAL: Less critical IMPACT: Privilege escalation WHERE: Local system SOFTWARE: SystemImager 4.x http://secunia.com/advisories/product/20540/ DESCRIPTION: A security issue has been reported in SystemImager, which can be exploited by malicious, local users to perform certain actions with escalated privileges. The security issue is caused due to the "sbin/si_mkbootserver" script using temporary files in an insecure manner. This can be exploited to overwrite arbitrary files via symlink attacks. The security issue affects version 4.0.2. Other versions may also be affected. SOLUTION: Restrict local access to trusted users only. PROVIDED AND/OR DISCOVERED BY: Reported by Dmitry E. Oboukhov via the "debian-devel" mailing list. ORIGINAL ADVISORY: http://lists.debian.org/debian-devel/2008/08/msg00347.html ---------------------------------------------------------------------- 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/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/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 ----------------------------------------------------------------------