CVE-2003-0955 Memory corruption in n/a
Local attackers can trigger a kernel panic or execute arbitrary code via stack-based buffer overflows in OpenBSD kernel emulation and ELF handling.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2003-0955?
CVE-2003-0955 is a medium-severity memory corruption vulnerability in Openbsd Openbsd, published on 21 Nov 2003. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OpenBSD kernel 3.3 and 3.4 allows local users to cause a denial of service (kernel panic) and possibly execute arbitrary code in 3.4 via a program with an invalid header that is not properly handled by (1) ibcs2_exec.c in the iBCS2 emulation (compat_ibcs2) or (2) exec_elf.c, which leads to a stack-based buffer overflow.
Which versions are affected by CVE-2003-0955?
It affects 1 product.
Products include Openbsd Openbsd.
How do I fix CVE-2003-0955?
No fix has been published for CVE-2003-0955 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2003-0955 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0955 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Openbsd Openbsd
Sources
Also known as CVE-2003-1147, GHSA-563f-qfcg-wp9f.