ZDI-06-044: Adobe Download Manager AOM Parsing Buffer Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-06-044.html December 6, 2006 -- CVE ID: CVE-2006-5856 -- Affected Vendor: Adobe -- Affected Products: Adobe Download Manager 2.1 and earlier -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since April 3, 2006 by Digital Vaccine protection filter ID 4280. For further product information on the TippingPoint IPS: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of the Adobe Download Manager application. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists in the AOM file format parser. A long [URL] element inside of a [DownloadRecord] element within an AOM file will result in a stack-based buffer overflow condition leading to execution of arbitrary code. The Download Manager is installed during the installation of of other Adobe products, such as Acrobat Reader. When installed, the download manager becomes the default application to handle .AOM files. -- Vendor Response: Adobe has issued an update to correct this vulnerability. More details can be found at: http://www.adobe.com/go/apsb06-19/ -- Disclosure Timeline: 2006.04.03 - Digital Vaccine released to TippingPoint customers 2006.04.07 - Vulnerability reported to vendor 2006.12.06 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by an anonymous researcher. -- About the Zero Day Initiative (ZDI): Established by TippingPoint, a division of 3Com, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. 3Com does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, 3Com provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, 3Com provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product. _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/