CVE-2018-15133

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    CVE-2018-15133

    Published: 9 Aug 2018Last Modified: 8 Jul 2026

    Summary:

    Details: In Laravel Framework through 5.5.40 and 5.6.x through 5.6.29, remote code execution might occur as a result of an unserialize call on a potentially untrusted X-XSRF-TOKEN value. This involves the decrypt method in Illuminate/Encryption/Encrypter.php and PendingBroadcast in gadgetchains/Laravel/RCE/3/chain.php in phpggc. The attacker must know the application key, which normally would never occur, but could happen if the attacker previously had privileged access or successfully accomplished a previous attack.

    References: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-15133, https://laravel.com/docs/5.6/upgrade#upgrade-5.6.30, http://packetstormsecurity.com/files/153641/PHP-Laravel-Framework-Token-Unserialize-Remote-Command-Execution.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v5.6.29
    v5.6.28
    v5.6.27
    v5.6.20
    v5.6.19
    v5.6.18
    v5.6.17
    v5.6.16
    v5.6.15
    v5.6.14
    v5.6.13
    v5.6.12
    v5.6.11
    v5.6.10
    v5.6.9
    v5.6.8
    v5.6.7
    v5.6.6
    v5.6.5
    v5.6.4
    v5.6.3
    v5.6.2
    v5.6.1
    v5.6.0

    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