CVS exploit leads to project server compromise
Users of Concurrent Versions System (CVS) software are being urged to patch their systems against an exploit used to hack the project's web site. CVS is a source code maintenance system used by many open source development projects, raising the prospect that the exploit may be used to spread compromised code to developers and end-users who download files from hacked servers.
That risk prompted an alert Friday from US-CERT, the agency coordinating U.S. cybersecurity awareness. The vulnerability in CVS, which allows a buffer overflow, was discovered May 2 by Stefan Esser of e-matters and made public, along with a patch, on May 19. While technically a "local" security hole that can only be exploited by authenticated users, most public CVS servers allow anonymous logins over the Internet. e-matters also identified a security hole in Subversion, a successor to CVS.
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