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Debian DLA-2736-1 : lynx - LTS security update

medium Nessus Plugin ID 152383

Language:

Synopsis

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

Description

The remote Debian 9 host has packages installed that are affected by a vulnerability as referenced in the dla-2736 advisory.

 - Lynx through 2.8.9 mishandles the userinfo subcomponent of a URI, which allows remote attackers to discover cleartext credentials because they may appear in SNI data. (CVE-2021-38165)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the lynx packages.

For Debian 9 Stretch, this problem has been fixed in version 2.8.9dev11-1+deb9u1.

See Also

https://www.debian.org/lts/security/2021/dla-2736

https://security-tracker.debian.org/tracker/CVE-2021-38165

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

Plugin Details

Severity: Medium

ID: 152383

File Name: debian_DLA-2736.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/10/2021

Updated: 1/20/2022

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2021-38165

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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:lynx, p-cpe:/a:debian:debian_linux:lynx-common, p-cpe:/a:debian:debian_linux:lynx-cur

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/9/2021

Vulnerability Publication Date: 8/7/2021

Reference Information

CVE: CVE-2021-38165