A team audit of the CVS source code performed by Stefan Esser and Sebastian Krahmer resulted in the discovery of several remotely exploitable vulnerabilities including:
* no-null-termination of "Entry" lines
* error_prog_name "double-free()"
* Argument integer overflow
* serve_notify() out of bounds writes
Impact ======
An attacker could use these vulnerabilities to cause a Denial of Service or execute arbitrary code with the permissions of the user running cvs.
Workaround ==========
There is no known workaround at this time. All users are advised to upgrade to the latest available version of CVS.
Resolution ==========
All CVS users should upgrade to the latest stable version:
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.
License =======
Copyright 2004 Gentoo Technologies, Inc; referenced text belongs to its owner(s).
The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.