CVE-2010-3846 Memory corruption in n/a

Medium 6.9 Published 5 Nov 2010 Updated 7 Aug 2024

Local attackers can exploit a heap-based buffer overflow in CVS to gain elevated privileges or execute arbitrary code via crafted RCS files.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2010-3846?

CVE-2010-3846 is a medium-severity memory corruption vulnerability in n/a, published on 5 Nov 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Array index error in the apply_rcs_change function in rcs.c in CVS 1.11.23 allows local users to gain privileges via an RCS file containing crafted delta fragment changes that trigger a heap-based buffer overflow.

Weakness: CWE-119

Which versions are affected by CVE-2010-3846?

It affects 1 product.

Linux distribution packages (8)

`cvs` Red Hat:enterprise_linux:6::client	All versions	`0:1.11.23-11.el6_0.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:1.11.23-11.el6_0.1`
`cvs` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.11.23-11.el6_0.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.11.23-11.el6_0.1`
`cvs` Red Hat:enterprise_linux:6::server	All versions	`0:1.11.23-11.el6_0.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.11.23-11.el6_0.1`
`cvs` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.11.23-11.el6_0.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.11.23-11.el6_0.1`

Products include Nongnu Cvs.

How do I fix CVE-2010-3846?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2010-3846 being exploited?

There is no known exploitation of CVE-2010-3846 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2010-3846, CLEANSTART-2023-FB56877, GHSA-xxxv-8qg4-6qv9, RHSA-2010:0918.