---------------------------------------------------------------------- Ovum says ad hoc tools are out-dated. The best practice approach? Fast vulnerability intelligence, threat handling, and setup in one tool. Read the new report on the Secunia VIM: http://secunia.com/products/corporate/vim/ovum_2011_request/ ---------------------------------------------------------------------- TITLE: FFmpeg Multiple Vulnerabilities SECUNIA ADVISORY ID: SA46111 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/46111/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=46111 RELEASE DATE: 2011-09-22 DISCUSS ADVISORY: http://secunia.com/advisories/46111/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/46111/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=46111 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: Some vulnerabilities have been reported in FFmpeg, which can be exploited by malicious people to potentially compromise an application using the library. 1) An integer underflow error within the "asfrtp_parse_packet()" function (libavformat/rtpdec_asf.c) can be exploited to cause a memory corruption by sending specially crafted ASF packets over RTP. 2) A signedness error within the "decode_mb_i()" function (libavcodec/cavsdec.c) can be exploited by tricking a user into opening a specially crafted Chinese AVS (CAVS) files. This is related to vulnerability #1 in: SA45532 3) A memory allocation error within the "av_probe_input_buffer()" function (libavformat/utils.c) can be exploited to cause a memory corruption. The vulnerabilities are reported in versions prior to 0.7.4 and 0.8.3. SOLUTION: Update to version 0.7.4 or 0.8.3. PROVIDED AND/OR DISCOVERED BY: 1) Jeong Wook Oh, Microsoft Vulnerability Research (MSVR). 2) Reported by the vendor. 3) The vendor credits Tanami Ohad. ORIGINAL ADVISORY: FFmpeg: http://ffmpeg.org/releases/ffmpeg-0.7.4.changelog http://ffmpeg.org/releases/ffmpeg-0.8.3.changelog Microsoft Vulnerability Research: http://technet.microsoft.com/en-us/security/msvr/msvr11-012 OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users 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 ----------------------------------------------------------------------