CVE-2009-2281 Memory corruption in n/a

Critical 10.0 Published 23 Oct 2009 Updated 16 Sep 2024

Remote attackers can execute arbitrary code on MapServer via crafted HTTP requests exploiting heap-based buffer underflows in the CGI utility.

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

What is CVE-2009-2281?

CVE-2009-2281 is a critical memory corruption vulnerability in n/a, published on 23 Oct 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Multiple heap-based buffer underflows in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x through 4.10.4 and 5.x before 5.4.2 allow remote attackers to execute arbitrary code via (1) a crafted Content-Length HTTP header or (2) a large HTTP request, related to an integer overflow that triggers a heap-based buffer overflow. NOTE: this issue reportedly exists because of an incomplete fix for CVE-2009-0840.

Weakness: CWE-119

Which versions are affected by CVE-2009-2281?

It affects 2 products.

Products include Osgeo Mapserver, Umn Mapserver.

How do I fix CVE-2009-2281?

Upgrade to a fixed version.

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

Is CVE-2009-2281 being exploited?

There is no known exploitation of CVE-2009-2281 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-2281, GHSA-6726-5cj2-9h6f.