Title: CVS Daemon RCS Off By One Local Buffer Overflow Vulnerability
Severity: MODERATE
Description:
CVS is the concurrent versioning system. CVS is a freely available, open source software development package for the Unix, Linux, and Microsoft Windows platforms.
A problem with the software could make it possible for an attacker to gain elevated privileges.
Due to a boundry condition error, it may be possible for a local attacker to execute arbitrary code. The rcs.c file contains an off-by-one error that could result in an attacker overwriting portions of stack memory, and executing arbitrary code.
This problem could result in an attacker gaining access to the CVS archives with the privileges of the CVS user. This could allow an attacker to alter source code within the CVS archive, and potentially backdoor source code.
Affected Products:
- CVS CVS 1.11.0
- Caldera OpenLinux Server 3.1.0
- Caldera OpenLinux Server 3.1.1
- Caldera OpenLinux Workstation 3.1.0
- Caldera OpenLinux Workstation 3.1.1
- Conectiva Linux 7.0.0
- Conectiva Linux 8.0.0
- MandrakeSoft Linux Mandrake 8.0.0
- MandrakeSoft Linux Mandrake 8.0.0 ppc
- RedHat Advanced Workstation for the Itanium Processor 2.1.0
- RedHat Advanced Workstation for the Itanium Processor 2.1.0 IA64
- RedHat Enterprise Linux AS 2.1
- RedHat Enterprise Linux AS 2.1 IA64
- RedHat Enterprise Linux AS 3
- RedHat Enterprise Linux ES 2.1
- RedHat Enterprise Linux ES 2.1 IA64
- RedHat Enterprise Linux ES 3
- RedHat Enterprise Linux WS 2.1
- RedHat Enterprise Linux WS 2.1 IA64
- RedHat Enterprise Linux WS 3
- SGI ProPack 2.3.0
- SGI ProPack 2.4.0
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