CVE-2013-0242 Memory corruption in n/a
A buffer overflow in glibc's regex matcher allows attackers to cause a denial of service via crafted multibyte characters.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-0242?
CVE-2013-0242 is a medium-severity memory corruption vulnerability in Gnu Glibc, published on 8 Feb 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Buffer overflow in the extend_buffers function in the regular expression matcher (posix/regexec.c) in glibc, possibly 2.17 and earlier, allows context-dependent attackers to cause a denial of service (memory corruption and crash) via crafted multibyte characters.
Weakness: CWE-119
Which versions are affected by CVE-2013-0242?
It affects 1 product.
Products include Gnu Glibc.
How do I fix CVE-2013-0242?
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-2013-0242 being exploited?
There is no known exploitation of CVE-2013-0242 in the wild and no public exploit code.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2013-0242, GHSA-f776-wjgx-67c8.