---------------------------------------------------------------------- Hardcore Disassembler / Reverse Engineer Wanted! Want to work with IDA and BinDiff? Want to write PoC's and Exploits? Your nationality is not important. We will get you a work permit, find an apartment, and offer a relocation compensation package. http://secunia.com/hardcore_disassembler_and_reverse_engineer/ ---------------------------------------------------------------------- TITLE: XFree86 PCF Integer Overflow Vulnerabilities SECUNIA ADVISORY ID: SA21446 VERIFY ADVISORY: http://secunia.com/advisories/21446/ CRITICAL: Moderately critical IMPACT: DoS, System access WHERE: >From remote SOFTWARE: XFree86 4.5.x http://secunia.com/product/4870/ XFree86 4.4.x http://secunia.com/product/3510/ XFree86 4.3.x http://secunia.com/product/1131/ XFree86 4.2.x http://secunia.com/product/3011/ XFree86 4.1.x http://secunia.com/product/3012/ XFree86 4.6.x http://secunia.com/product/11386/ DESCRIPTION: A vulnerability has been reported in XFree86, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system. The vulnerability is caused due to integer overflows in the PCF font parser and can be exploited to crash the X server and potentially execute arbitrary code. This is related to: SA20100 SOLUTION: Do not parse untrusted PCF font files. OTHER REFERENCES: SA20100: http://secunia.com/advisories/20100/ ---------------------------------------------------------------------- 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 ----------------------------------------------------------------------