CVE-2019-10190
knot-resolver: A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which al...
CVE-2019-10190 is fixed in 2 products on 1 platform, first by knot-resolver 3.2.1-3ubuntu2.2, released May 19, 2020. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0199
80th percentile
A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| knot-resolver · Ubuntu 20.04 LTS (focal) | 3.2.1-3ubuntu2.2 | knot-resolver 3.2.1-3ubuntu2.2 | May 19, 2020 |
| knot-resolver-module-http · Ubuntu 20.04 LTS (focal) | 3.2.1-3ubuntu2.2 | knot-resolver-module-http 3.2.1-3ubuntu2.2 | May 19, 2020 |