5.3med

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…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
5.3
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.0%
percentile 64%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.05% probability of exploitation in the next 30 days, higher than 64% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-347 Improper Verification of Cryptographic Signature

References

  • security.gentoo.org /glsa/201811-16 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • strongswan.org /blog/2018/02/19/strongswan-vulnerability-%28cve-2018-6459%29.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2020-03/msg00047.html · vendor-advisory, x_refsource_SUSE, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.