UBUNTU-CVE-2015-5400

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    UBUNTU-CVE-2015-5400

    Published: 28 Sept 2015Last Modified: 8 Sept 2025
    Upstream:
    CVE-2015-5400

    Summary:

    Details: Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

    References: https://ubuntu.com/security/CVE-2015-5400, http://www.squid-cache.org/Advisories/SQUID-2015_2.txt, http://www.openwall.com/lists/oss-security/2015/07/06/8, https://www.cve.org/CVERecord?id=CVE-2015-5400

    Affected packages

    Package

    Name: squid3

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.5.12-1ubuntu6

    Affected versions

    3.3.8-1ubuntu16
    3.3.8-1ubuntu17

    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