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Debian DSA-4195-1 : wget - security update

medium Nessus Plugin ID 109624

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Synopsis

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

Description

Harry Sintonen discovered that wget, a network utility to retrieve files from the web, does not properly handle '\r\n' from continuation lines while parsing the Set-Cookie HTTP header. A malicious web server could use this flaw to inject arbitrary cookies to the cookie jar file, adding new or replacing existing cookie values.

Solution

Upgrade the wget packages.

For the oldstable distribution (jessie), this problem has been fixed in version 1.16-1+deb8u5.

For the stable distribution (stretch), this problem has been fixed in version 1.18-5+deb9u2.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=898076

https://security-tracker.debian.org/tracker/source-package/wget

https://packages.debian.org/source/jessie/wget

https://packages.debian.org/source/stretch/wget

https://www.debian.org/security/2018/dsa-4195

Plugin Details

Severity: Medium

ID: 109624

File Name: debian_DSA-4195.nasl

Version: 1.6

Type: local

Agent: unix

Published: 5/9/2018

Updated: 4/5/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:wget, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/8/2018

Reference Information

CVE: CVE-2018-0494

DSA: 4195