CVE-2012-0804 Memory corruption in n/a

Critical 10.0 Published 29 May 2012 Updated 6 Aug 2024

A heap-based buffer overflow in the CVS client allows remote HTTP proxy servers to cause a crash or execute arbitrary code via crafted responses.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2012-0804?

CVE-2012-0804 is a critical memory corruption vulnerability in n/a, published on 29 May 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Heap-based buffer overflow in the proxy_connect function in src/client.c in CVS 1.11 and 1.12 allows remote HTTP proxy servers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted HTTP response.

Weakness: CWE-119

Which versions are affected by CVE-2012-0804?

It affects 1 product.

Linux distribution packages (15)

`cvs` Red Hat:enterprise_linux:5::client	All versions	`0:1.11.22-11.el5_8.1`
`cvs-debuginfo` Red Hat:enterprise_linux:5::client	All versions	`0:1.11.22-11.el5_8.1`
`cvs-inetd` Red Hat:enterprise_linux:5::client	All versions	`0:1.11.22-11.el5_8.1`
`cvs` Red Hat:enterprise_linux:5::server	All versions	`0:1.11.22-11.el5_8.1`
`cvs-debuginfo` Red Hat:enterprise_linux:5::server	All versions	`0:1.11.22-11.el5_8.1`
`cvs-inetd` Red Hat:enterprise_linux:5::server	All versions	`0:1.11.22-11.el5_8.1`
`cvs` Red Hat:enterprise_linux:6::client	All versions	`0:1.11.23-11.el6_2.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:1.11.23-11.el6_2.1`
`cvs` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.11.23-11.el6_2.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:1.11.23-11.el6_2.1`
`cvs` Red Hat:enterprise_linux:6::server	All versions	`0:1.11.23-11.el6_2.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:1.11.23-11.el6_2.1`
`cvs` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.11.23-11.el6_2.1`
`cvs-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:1.11.23-11.el6_2.1`
`cvs` openSUSE:Tumbleweed	All versions	`1.12.12-183.10`

Products include Cvs Cvs.

How do I fix CVE-2012-0804?

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-2012-0804 being exploited?

There is no known exploitation of CVE-2012-0804 in the wild and no public exploit code.

Sources

Also known as ALPINE-CVE-2012-0804, CLEANSTART-2023-RT70997, DEBIAN-CVE-2012-0804, DSA-2407-1, GHSA-fr3c-7j3p-qm6p, RHSA-2012:0321 and 1 more.