CVE-2013-4458 Memory corruption in n/a
Remote attackers can cause a denial of service via a stack-based buffer overflow in the glibc getaddrinfo function when processing specific hostnames or IP addresses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4458?
CVE-2013-4458 is a medium-severity memory corruption vulnerability in Gnu Glibc, published on 12 Dec 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in GNU C Library (aka glibc or libc6) 2.18 and earlier allows remote attackers to cause a denial of service (crash) via a (1) hostname or (2) IP address that triggers a large number of AF_INET6 address results. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1914.
Weakness: CWE-119
Which versions are affected by CVE-2013-4458?
It affects 3 products.
Products include Gnu Glibc, Suse Linux Enterprise Debuginfo, Suse Linux Enterprise Server.
How do I fix CVE-2013-4458?
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-2013-4458 being exploited?
There is no known exploitation of CVE-2013-4458 in the wild and no public exploit code.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2013-4458, GHSA-jcwq-q9mq-r3fv.