Debian DSA-4034-1 : varnish - security update

critical Nessus Plugin ID 104586

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Synopsis

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

Description

'shamger' and Carlo Cannas discovered that a programming error in Varnish, a state of the art, high-performance web accelerator, may result in disclosure of memory contents or denial of service.

See https://varnish-cache.org/security/VSV00002.html for details.

Solution

Upgrade the varnish packages.

For the stable distribution (stretch), this problem has been fixed in version 5.0.0-7+deb9u2.

Plugin Details

Severity: Critical

ID: 104586

File Name: debian_DSA-4034.nasl

Version: 3.6

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 11/16/2017

Updated: 11/14/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2017-8807

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/15/2017

Reference Information

CVE: CVE-2017-8807

DSA: 4034

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