CVE-2017-12872

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    CVE-2017-12872

    Published: 1 Sept 2017Last Modified: 8 Jul 2026

    Summary:

    Details: The (1) Htpasswd authentication source in the authcrypt module and (2) SimpleSAML_Session class in SimpleSAMLphp 1.14.11 and earlier allow remote attackers to conduct timing side-channel attacks by leveraging use of the standard comparison operator to compare secret material against user input.

    References: 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/201703-01

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v1.14.2
    v1.14.10
    v1.14.11
    v1.14.9
    v1.14.8
    v1.14.7
    v1.14.6
    v1.14.5
    v1.14.4
    v1.14.3
    v1.14.1
    v1.14.0
    v1.14.0-rc1

    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