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SimpleSAMLphp Invalid token creation and validation

Moderate severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Apr 25, 2024

Package

composer simplesamlphp/simplesamlphp (Composer)

Affected versions

>= 1.14.0, < 1.14.15

Patched versions

1.14.15

Description

The SimpleSAML_Auth_TimeLimitedToken class in SimpleSAMLphp 1.14.14 and earlier allows attackers with access to a secret token to extend its validity period by manipulating the prepended time offset.

References

Published by the National Vulnerability Database Aug 29, 2017
Published to the GitHub Advisory Database May 13, 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
None
Integrity
High
Availability
None
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CVE ID

CVE-2017-12867

GHSA ID

GHSA-597c-mh7m-48v7

Source code

Checking history
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