GLSA-201607-08 : Dropbear: Privilege escalation

medium Nessus Plugin ID 92478

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201607-08 (Dropbear: Privilege escalation)

A CRLF injection vulnerability in Dropbear SSH allows remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data.
Impact :

A remote authenticated user could execute arbitrary code with the privileges of the process.
Workaround :

There is no known workaround at this time.

Solution

All Dropbear users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/dropbear-2016.73'

See Also

https://security.gentoo.org/glsa/201607-08

Plugin Details

Severity: Medium

ID: 92478

File Name: gentoo_GLSA-201607-08.nasl

Version: 2.4

Type: local

Published: 7/21/2016

Updated: 1/11/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.8

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.3

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

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:dropbear, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/20/2016

Reference Information

CVE: CVE-2016-3116

GLSA: 201607-08