Debian DSA-3625-1 : squid3 - security update

high Nessus Plugin ID 92525

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Synopsis

The remote Debian host is missing a security-related update.

Description

Several security issues have been discovered in the Squid caching proxy.

- CVE-2016-4051 :
CESG and Yuriy M. Kaminskiy discovered that Squid cachemgr.cgi was vulnerable to a buffer overflow when processing remotely supplied inputs relayed through Squid.

- CVE-2016-4052 :
CESG discovered that a buffer overflow made Squid vulnerable to a Denial of Service (DoS) attack when processing ESI responses.

- CVE-2016-4053 :
CESG found that Squid was vulnerable to public information disclosure of the server stack layout when processing ESI responses.

- CVE-2016-4054 :
CESG discovered that Squid was vulnerable to remote code execution when processing ESI responses.

- CVE-2016-4554 :
Jianjun Chen found that Squid was vulnerable to a header smuggling attack that could lead to cache poisoning and to bypass of same-origin security policy in Squid and some client browsers.

- CVE-2016-4555, CVE-2016-4556 :
'bfek-18' and '@vftable' found that Squid was vulnerable to a Denial of Service (DoS) attack when processing ESI responses, due to incorrect pointer handling and reference counting.

Solution

Upgrade the squid3 packages.

For the stable distribution (jessie), these problems have been fixed in version 3.4.8-6+deb8u3.

Plugin Details

Severity: High

ID: 92525

File Name: debian_DSA-3625.nasl

Version: 2.9

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 7/25/2016

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:squid3, cpe:/o:debian:debian_linux:8.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2016

Reference Information

CVE: CVE-2016-4051, CVE-2016-4052, CVE-2016-4053, CVE-2016-4054, CVE-2016-4553, CVE-2016-4554, CVE-2016-4555, CVE-2016-4556

DSA: 3625

Detections

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