4.3

CVE-2018-1000002: nic knot_resolver Improper Input Validation

CVSS: 4.3v2.0MediumModified
AliasesDEBIAN-CVE-2018-1000002
Published 22-01-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-1000002 is a medium (CVSS 4.3) Improper Input Validation vulnerability in nic knot_resolver. EPSS estimates a 1.08% chance of exploitation in the next 30 days, higher than 64.5% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Improper input validation bugs in DNSSEC validators components in Knot Resolver (prior version 1.5.2) allow attacker in man-in-the-middle position to deny existence of some data in DNS via packet replay.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.08%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.08% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • knot-resolver< 1.5.2-1
Nic1 product

2 vendors · 2 products

References

2 links