CVE-2006-5556 Memory corruption in n/a
Local attackers can execute arbitrary code via a buffer overflow in HP-UX libc triggered by a long TZ environment variable.
- 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-2006-5556?
CVE-2006-5556 is a medium-severity memory corruption vulnerability in Hp Hp-Ux, published on 27 Oct 2006. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in the localtime_r function, and certain other functions, in libc in HP-UX B.11.11 and possibly other versions allows local users to execute arbitrary code via a long TZ environment variable.
Which versions are affected by CVE-2006-5556?
It affects 1 product.
Products include Hp Hp-Ux.
How do I fix CVE-2006-5556?
No fix has been published for CVE-2006-5556 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-2006-5556 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-5556 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Hp Hp-Ux
Sources
Also known as GHSA-rc79-3j7g-p87j.