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SHATTER, Application Security Inc.s security and development team, last week discovered three new potential security holes in Sybase Inc. database servers.
The team, aka Security Heuristics of Application Testing Technology for Enterprise Research, found the following vulnerabilities, which could theoretically enable an attacker to overwrite the stack and execute arbitrary code: DBCC CHECK VERIFY buffer overflow, DROP DATABASE buffer overflow and xp_freedll buffer overflow.
Analysts say buffer overflow vulnerabilities such as these are a “dime a dozen” nowadays. Still, users have to stay on top of them, just in case. “Its a constant reminder that you can never be truly secure,” said Pete Lindstrom, an analyst with Spire Security, in Malvern, Pa. “Youre never quite sure if theyre incredibly significant or if they can be incredibly significant down the road.”
Tom Traubitz, senior marketing manager for Sybase, in Dublin, Calif., said the vulnerabilities are “hypothetical,” in that the only persons who would have access to exploiting them would be trusted users anyway.
Sybase issued patches last week. They are available at mysybase.Sybase.com. The patches are for the 12.x series of Adaptive Server Enterprise (ASE). There have been several point releases of ASE 12, but the major releases are ASE 12.0 and ASE 12.5.
Application Security also has patches available within an update for AppDetective, the New York companys application penetration testing/vulnerability assessment tool. The update can be downloaded here.
Editors Note: This story has been updated since its original posting to include more details about the Sybase patches.