Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : squid3 vulnerabilities (USN-3557-1)

Medium Nessus Plugin ID 106619

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

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 Rincon 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).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected squid3 package.

Plugin Details

Severity: Medium

ID: 106619

File Name: ubuntu_USN-3557-1.nasl

Version: Revision: 3.1

Type: local

Agent: unix

Published: 2018/02/06

Modified: 2018/02/06

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSSv2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSSv3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:squid3, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Patch Publication Date: 2018/02/05

Reference Information

CVE: CVE-2016-2569, CVE-2016-2570, CVE-2016-2571, CVE-2016-3948, CVE-2018-1000024, CVE-2018-1000027

USN: 3557-1