Vulnerability Details : CVE-2018-10920
Improper input validation bug in DNS resolver component of Knot Resolver before 2.4.1 allows remote attacker to poison cache.
Vulnerability category: Input validation
Products affected by CVE-2018-10920
- cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-10920
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-10920
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
Red Hat, Inc. | |
|
6.8
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N |
2.2
|
4.0
|
NIST |
CWE ids for CVE-2018-10920
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2018-10920
-
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10920
1610951 – (CVE-2018-10920) CVE-2018-10920 knot-resolver: Improper input validation bug in DNS resolver componentIssue Tracking;Third Party Advisory
-
https://www.knot-resolver.cz/2018-08-02-knot-resolver-2.4.1.html
Knot Resolver 2.4.1 released – Knot ResolverVendor Advisory
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