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.
CVSS score
5.3/10
010
Medium · v3.0 (NVD)EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 20-02-2018PublishedVulnerability first disclosed.
- 05-08-2024Last 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 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
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 score1.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- strongswan5.6.1
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- lists.opensuse.org/archives/…Advisory