GHSA-j96g-47x2-46hv

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    GHSA-j96g-47x2-46hv

    Published: 14 May 2022Last Modified: 25 Apr 2024

    Summary: SimpleSAMLphp Session fixation issue and authentication bypass in the authcrypt module

    Details: The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.13 and earlier, when used with PHP before 5.6, allows attackers to conduct session fixation attacks or possibly bypass authentication by leveraging missing character conversions before an XOR operation.

    References: https://nvd.nist.gov/vuln/detail/CVE-2017-12868, https://github.com/simplesamlphp/simplesamlphp/commit/4bc629658e7b7d17c9ac3fe0da7dc5df71f1b85e, https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12868.yaml, https://github.com/simplesamlphp/simplesamlphp, https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html, https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html, https://simplesamlphp.org/security/201705-01

    Affected packages

    Package

    Name: simplesamlphp/simplesamlphp

    Purl: pkg:composer/simplesamlphp/simplesamlphp

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.14.12
    Fixed -1.14.14

    Affected versions

    v1.14.12
    v1.14.13

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-j96g-47x2-46hv | CVE-DB