CVE-2014-4043 Use after free in n/a
A use-after-free vulnerability in glibc's posix_spawn_file_actions_addopen allows context-dependent attackers to execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-4043?
CVE-2014-4043 is a high-severity use after free vulnerability in Gnu Glibc, published on 6 Oct 2014.
Official description
The posix_spawn_file_actions_addopen function in glibc before 2.20 does not copy its path argument in accordance with the POSIX specification, which allows context-dependent attackers to trigger use-after-free vulnerabilities.
Weakness: CWE-94
Which versions are affected by CVE-2014-4043?
It affects 2 products.
Products include Gnu Glibc, Opensuse Opensuse.
How do I fix CVE-2014-4043?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2014-4043 being exploited?
There is no known exploitation of CVE-2014-4043 in the wild and no public exploit code.
Other vulnerabilities in Gnu Glibc
Sources
Also known as DEBIAN-CVE-2014-4043, GHSA-7fjc-2773-f7m5, UBUNTU-CVE-2014-4043.