Improper Verification of Cryptographic Signature Affecting strongswan package, versions [0,5.6.2)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-UNMANAGED-STRONGSWAN-2371959
  • published26 Jan 2022
  • disclosed20 Feb 2018
  • creditUnknown

Introduced: 20 Feb 2018

CVE-2018-6459  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade strongswan to version 5.6.2 or higher.

Overview

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature. 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.

References

CVSS Scores

version 3.1