Description
perms.cpp in March Hare Software CVSNT 2.0.58, 2.5.01, 2.5.02, 2.5.03 before build 3736, 2.5.04 before build 2862; CVS Suite 2.5.03, 2008 before build 3736, and 2009 before 3729 allows remote attackers to bypass the permissions check, modify arbitrary modules and directories within CVSROOT, and execute arbitrary code via a crafted branch name ACL, possibly related to incorrect inheritance.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | cvsnt | 2.5.03.2382-3.3+lenny1 | DSA-2108-1 |
Advisories 1
- DSA-2108-1 cvsnt - arbitrary code execution Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2010-2350 vdb-entry
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=593884
- DSA-2108 vendor-advisory
- 41358 third-party-advisory
- 41345 third-party-advisory
- http://customer.march-hare.com/webtools/bugzilla/attachment.cgi?tt=1&id=1790&action=view
- http://march-hare.com/cvspro/vuln.htm