UBUNTU-CVE-2018-1000024

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    UBUNTU-CVE-2018-1000024

    Published: 29 Jan 2018Last Modified: 4 Feb 2026

    Summary:

    Details: The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27, 4.0 to 4.0.22 contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of Service for all clients using the proxy.. This attack appear to be exploitable via Remote server delivers an HTTP response payload containing valid but unusual ESI syntax.. This vulnerability appears to have been fixed in 4.0.23 and later.

    References: https://ubuntu.com/security/CVE-2018-1000024, http://www.squid-cache.org/Advisories/SQUID-2018_1.txt, https://ubuntu.com/security/notices/USN-3557-1, https://ubuntu.com/security/notices/USN-4059-2, https://www.cve.org/CVERecord?id=CVE-2018-1000024

    Affected packages

    Package

    Name: squid3

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.3.8-1ubuntu6.11

    Affected versions

    3.3.8-1ubuntu3
    3.3.8-1ubuntu4
    3.3.8-1ubuntu5
    3.3.8-1ubuntu6
    3.3.8-1ubuntu6.1
    3.3.8-1ubuntu6.2
    3.3.8-1ubuntu6.3
    3.3.8-1ubuntu6.4
    3.3.8-1ubuntu6.6
    3.3.8-1ubuntu6.8
    3.3.8-1ubuntu6.9
    3.3.8-1ubuntu6.10

    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