CVE-2003-0161 Memory corruption in n/a
Remote attackers can trigger a buffer overflow in Sendmail's address parser to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2003-0161?
CVE-2003-0161 is a critical memory corruption vulnerability in Hp Hp-Ux, published on 1 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The prescan() function in the address parser (parseaddr.c) in Sendmail before 8.12.9 does not properly handle certain conversions from char and int types, which can cause a length check to be disabled when Sendmail misinterprets an input value as a special "NOCHAR" control value, allowing attackers to cause a denial of service and possibly execute arbitrary code via a buffer overflow attack using messages, a different vulnerability than CVE-2002-1337.
Which versions are affected by CVE-2003-0161?
It affects 9 products.
Products include Compaq Tru64, Hp Hp-Ux, Hp Hp-Ux Series 700, Hp Hp-Ux Series 800, Hp Sis, Sendmail Sendmail and 3 more.
How do I fix CVE-2003-0161?
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-2003-0161 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-0161 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Hp Hp-Ux
Sources
Also known as DEBIAN-CVE-2003-0161, DSA-278, DSA-290, GHSA-2259-4w76-9w2p.