CVE-2020-19860
Published: 21 January 2022
When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload.
Priority
Medium
CVSS 3 base score: 6.5
Status
| Package | Release | Status |
|---|---|---|
|
ldns Launchpad, Ubuntu, Debian |
bionic |
Released
(1.7.0-3ubuntu4.1)
|
| focal |
Released
(1.7.0-4.1ubuntu1+esm1)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Released
(1.7.1-2ubuntu4+esm1)
|
|
| kinetic |
Needed
|
|
| trusty |
Ignored
(out of standard support)
|
|
| upstream |
Released
(1.8.0)
|
|
| xenial |
Released
(1.6.17-8ubuntu0.1+esm1)
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-19860
- https://github.com/NLnetLabs/ldns/issues/50
- https://github.com/NLnetLabs/ldns/commit/15d96206996bea969fbc918eb0a4a346f514b9f3
- https://github.com/NLnetLabs/ldns/commit/4e9861576a600a5ecfa16ec2de853c90dd9ce276
- https://ubuntu.com/security/notices/USN-5257-1
- https://ubuntu.com/security/notices/USN-5257-2
- NVD
- Launchpad
- Debian