CVE-2019-13951 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 IPv4 zone data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-13951?
CVE-2019-13951 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_ipv4() function in zscan_rfc1035.rl in gdnsd 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv4 address in zone data.
Weakness: CWE-787
Which versions are affected by CVE-2019-13951?
It affects 1 product.
Products include Gdnsd Gdnsd.
How do I fix CVE-2019-13951?
No fix has been published for CVE-2019-13951 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-13951 being exploited?
There is no known exploitation of CVE-2019-13951 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r4ww-6726-pj2x.