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SimpleSAMLphp Unauthenticated encryption in CBC mode

Moderate severity GitHub Reviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Apr 25, 2024

Package

composer simplesamlphp/simplesamlphp (Composer)

Affected versions

< 1.14.13

Patched versions

1.14.13

Description

SimpleSAMLphp 1.14.12 and earlier make it easier for man-in-the-middle attackers to obtain sensitive information by leveraging use of the aesEncrypt and aesDecrypt methods in the SimpleSAML/Utils/Crypto class to protect session identifiers in replies to non-HTTPS service providers.

References

Published by the National Vulnerability Database Sep 1, 2017
Published to the GitHub Advisory Database May 17, 2022
Reviewed Apr 25, 2024
Last updated Apr 25, 2024

Severity

Moderate
5.9
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses

CVE ID

CVE-2017-12870

GHSA ID

GHSA-44pr-mgcp-v36r

Source code

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