UBUNTU-CVE-2015-2787

    Dashboard / Vulnerabilities / UBUNTU-CVE-2015-2787

    UBUNTU-CVE-2015-2787

    Published: 30 Mar 2015Last Modified: 22 Apr 2026
    Upstream:
    CVE-2015-2787
    Aliases:
    USN-2572-1

    Summary:

    Details: Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

    References: https://ubuntu.com/security/CVE-2015-2787, https://gist.github.com/smalyshev/eea9eafc7c88a4a6d10d, http://php.net/ChangeLog-5.php, https://ubuntu.com/security/notices/USN-2572-1, https://www.cve.org/CVERecord?id=CVE-2015-2787

    Affected packages

    Package

    Name: php5

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu4.9?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.5.9+dfsg-1ubuntu4.9

    Affected versions

    5.5.3+dfsg-1ubuntu2
    5.5.3+dfsg-1ubuntu3
    5.5.6+dfsg-1ubuntu1
    5.5.6+dfsg-1ubuntu2
    5.5.8+dfsg-2ubuntu1
    5.5.9+dfsg-1ubuntu1
    5.5.9+dfsg-1ubuntu2
    5.5.9+dfsg-1ubuntu3
    5.5.9+dfsg-1ubuntu4
    5.5.9+dfsg-1ubuntu4.1
    5.5.9+dfsg-1ubuntu4.2
    5.5.9+dfsg-1ubuntu4.3
    5.5.9+dfsg-1ubuntu4.4
    5.5.9+dfsg-1ubuntu4.5
    5.5.9+dfsg-1ubuntu4.6
    5.5.9+dfsg-1ubuntu4.7

    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