USN-3557-1

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    USN-3557-1

    Published: 5 Feb 2018Last Modified: 10 Feb 2026

    Summary: squid3 vulnerabilities

    Details: Mathias Fischer discovered that Squid incorrectly handled certain long strings in headers. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2016-2569) William Lima discovered that Squid incorrectly handled XML parsing when processing Edge Side Includes (ESI). A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2016-2570) Alex Rousskov discovered that Squid incorrectly handled response-parsing failures. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. This issue only applied to Ubuntu 16.04 LTS. (CVE-2016-2571) Santiago Ruano Rincón discovered that Squid incorrectly handled certain Vary headers. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue was only addressed in Ubuntu 16.04 LTS. (CVE-2016-3948) Louis Dion-Marcil discovered that Squid incorrectly handled certain Edge Side Includes (ESI) responses. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. (CVE-2018-1000024) Louis Dion-Marcil discovered that Squid incorrectly handled certain Edge Side Includes (ESI) responses. A malicious remote server could possibly cause Squid to crash, resulting in a denial of service. (CVE-2018-1000027)

    References: https://ubuntu.com/security/notices/USN-3557-1, https://ubuntu.com/security/CVE-2016-2569, https://ubuntu.com/security/CVE-2016-2570, https://ubuntu.com/security/CVE-2016-2571, https://ubuntu.com/security/CVE-2016-3948, https://ubuntu.com/security/CVE-2018-1000024, https://ubuntu.com/security/CVE-2018-1000027

    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