5.3

CVE-2018-6459: strongswan

CVSS: 5.3v3.0MediumModified
AliasesSUSE-SU-2020:0743-1DEBIAN-CVE-2018-6459openSUSE-SU-2020:0403-1
Published 20-02-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-6459 is a medium (CVSS 5.3) vulnerability in strongswan. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.6% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 20-02-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params.c in strongSwan 5.6.1 allows remote attackers to cause a denial of service via a crafted RSASSA-PSS signature that lacks a mask generation function parameter.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.05%

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
  • strongswan< 5.6.2-1
Opensuse1 product
  • strongswan&distro=openSUSE Leap 15.1< 5.8.2-lp151.4.6.1
Strongswan1 product
Suse1 product
  • strongswan&distro=SUSE Linux Enterprise Module for Basesystem 15 SP1< 5.8.2-4.6.14

4 vendors · 4 products

References

8 links