Improper Verification of Cryptographic Signature Affecting simplesamlphp package, versions <1.17.6-2


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-DEBIAN12-SIMPLESAMLPHP-1559849
  • published10 Nov 2019
  • disclosed7 Nov 2019

Introduced: 7 Nov 2019

CVE-2019-3465  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade Debian:12 simplesamlphp to version 1.17.6-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream simplesamlphp package and not the simplesamlphp package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

References

CVSS Scores

version 3.1