CVE-2019-13952
CRITICALCVSS 9.8/10EPSS 1.56%
Last modified
CVE-2019-13952 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.56% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gdnsd | Gdnsd | < 2.4.3 |
| Gdnsd | Gdnsd | >= 3.0.0, < 3.2.1 |
References
- https://github.com/gdnsd/gdnsd/issues/185Exploit, Patch, Third Party Advisory
- https://github.com/gdnsd/gdnsd/issues/185Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-13952?
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.
How severe is CVE-2019-13952?
CVE-2019-13952 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.
How do I fix CVE-2019-13952?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2019-13952?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST