CVE-2015-5334 Memory corruption in LibreSSL
Remote attackers can cause denial of service or execute arbitrary code via crafted X.509 certificates due to a stack-based buffer overflow in LibreSSL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-5334?
CVE-2015-5334 is a critical memory corruption vulnerability in Opensuse Opensuse, published on 23 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Off-by-one error in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (program crash) or possible execute arbitrary code via a crafted X.509 certificate, which triggers a stack-based buffer overflow. Note: this vulnerability exists because of an incorrect fix for CVE-2014-3508.
Weakness: CWE-787
Which versions are affected by CVE-2015-5334?
It affects 2 products.
Products include Openbsd Libressl, Opensuse Opensuse.
How do I fix CVE-2015-5334?
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-2015-5334 being exploited?
There is no known exploitation of CVE-2015-5334 in the wild and no public exploit code.
Other vulnerabilities in Opensuse Opensuse
Sources
Also known as GHSA-6q9j-c3rh-x87m.