May 12, 2005 11:35 AM PDT

RSA patches Web authentication tool

By Dan Ilett
Special to CNET News.com

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Security company RSA has patched a vulnerability in its Web authentication software. RSA is advising customers to update software for its Authentication Agent for Web for Internet Information Service, after researcher Gary O'Leary-Steele discovered a flaw which could allow hackers to execute arbitrary code.

On its Web site Secunia said that the vulnerability occurred from a boundary error. "(It) can be exploited to cause a heap-based buffer overflow by sending an overly long 'chunk' of data via the chunked-encoding mechanism." The vulnerability exists in versions 5, 5.2 and 5.3 of the product. Click here to download the patch.

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