Debian DSA-3924-1 : varnish - security update

high Nessus Plugin ID 102135

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Synopsis

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

Description

A denial of service vulnerability was discovered in Varnish, a state of the art, high-performance web accelerator. Specially crafted HTTP requests can cause the Varnish daemon to assert and restart, clearing the cache in the process.

See https://varnish-cache.org/security/VSV00001.html for details.

Solution

Upgrade the varnish packages.

For the oldstable distribution (jessie), this problem has been fixed in version 4.0.2-1+deb8u1.

For the stable distribution (stretch), this problem has been fixed in version 5.0.0-7+deb9u1.

Plugin Details

Severity: High

ID: 102135

File Name: debian_DSA-3924.nasl

Version: 3.7

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 8/3/2017

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:varnish, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/2/2017

Reference Information

CVE: CVE-2017-12425

DSA: 3924

Detections

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