Microsoft is providing notification of the discovery and remediation of vulnerabilities affecting Nullsoft Winamp software version 5.623 and earlier. Microsoft discovered and disclosed the vulnerabilities under coordinated vulnerability disclosure to the affected vendor, Nullsoft. Nullsoft has remediated the vulnerabilities in their software.
Multiple vulnerabilities exist in the way that Winamp parses Impulse Tracker (.it) files resulting in memory corruption and heap corruption. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited these vulnerabilities could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
Microsoft Vulnerability Research reported these issues to and coordinated with Nullsoft to ensure remediation of this issue. The vulnerabilities have been assigned the entries, CVE-2012-3889 and CVE-2012-3890, in the Common Vulnerabilities and Exposures list. For more information, including information about updates from Nullsoft for Winamp, see Winamp 5.63 Released.