What is CVE-2018-6459?

CVE-2018-6459 is a medium-severity vulnerability in Strongswan, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2018-02-20.

How severe is CVE-2018-6459?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Strongswan

CVE-2018-6459

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.

EPSS: 0.011 (61.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Strongswan — versions 5.6.1
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
cve@mitre.org (x_refsource_CONFIRM)
cve@mitre.org (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2018-6459?: CVE-2018-6459 is a medium-severity vulnerability in Strongswan, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.3/10. Published 2018-02-20.
How severe is CVE-2018-6459?: Medium severity. CVSS v3 base score is 5.3 out of 10.