CVE-2017-12871

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    CVE-2017-12871

    Published: 1 Sept 2017Last Modified: 8 Jul 2026

    Summary:

    Details: The aesEncrypt method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.x through 1.14.11 makes it easier for context-dependent attackers to bypass the encryption protection mechanism by leveraging use of the first 16 bytes of the secret key as the initialization vector (IV).

    References: https://github.com/simplesamlphp/simplesamlphp/commit/77df6a932d46daa35e364925eb73a175010dc904, https://simplesamlphp.org/security/201703-02

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 03c6303dfee814450836c4ee3d07d51e628e4d4e
    Fixed -None

    Affected versions

    1.14.0
    1.14.1
    1.14.10
    1.14.11
    1.14.2
    1.14.3
    1.14.4
    1.14.5
    1.14.6
    1.14.7
    1.14.8
    1.14.9

    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