CVE-2019-13952 Memory corruption in n/a
A stack-based buffer overflow in gdnsd allows attackers to execute arbitrary code or cause denial of service via malformed IPv6 addresses in zone data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-13952?
CVE-2019-13952 is a critical memory corruption vulnerability in n/a, published on 18 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address in zone data.
Weakness: CWE-787
Which versions are affected by CVE-2019-13952?
It affects 1 product.
Products include Gdnsd Gdnsd.
How do I fix CVE-2019-13952?
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-2019-13952 being exploited?
There is no known exploitation of CVE-2019-13952 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as CLEANSTART-2024-LQ01704, DEBIAN-CVE-2019-13952, GHSA-mvpw-pvf4-394c, UBUNTU-CVE-2019-13952.