CVE-2018-10920 json
Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.
published 8y ago modified 4mo ago also EUVD-2018-2974
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.2%
- EPSS 3.2% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.
Patch / fix
- nic knot_resolver 2.4.1
- knot-resolver Debian 14, Debian 13, Debian 12 2.4.1-1
debian advisories DEBIAN-CVE-2018-10920
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red hat product security vex CVE-2018-10920 updated cvss 7.5
knot-resolver: Improper input validation bug in DNS resolver component
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
3.24% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 3.1 | 6.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- cz.nic knot-resolver
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
knot-resolver.cz
/2018-08-02-knot-resolver-2.4.1.html
vendor-advisory
-
bugzilla.redhat.com
/show_bug.cgi?id=CVE-2018-10920
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2018-10920
- NVD CVE-2018-10920
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