CVE-2005-0156 Memory corruption in n/a
Local attackers can execute arbitrary code with elevated privileges via a buffer overflow in Perl's setuid mode using crafted environment variables.
- 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-2005-0156?
CVE-2005-0156 is a low-severity memory corruption vulnerability in Ibm Aix, published on 7 Feb 2005. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in the PerlIO implementation in Perl 5.8.0, when installed with setuid support (sperl), allows local users to execute arbitrary code by setting the PERLIO_DEBUG variable and executing a Perl script whose full pathname contains a long directory tree.
Which versions are affected by CVE-2005-0156?
It affects 9 products.
Products include Ibm Aix, Larry Wall Perl, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Fedora Core, Sgi Propack and 3 more.
How do I fix CVE-2005-0156?
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-2005-0156 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2005-0156 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Ibm Aix
Sources
Also known as DEBIAN-CVE-2005-0156, GHSA-hv4j-j5rr-rmfx.