Detections
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GLSA-200512-13 : Dropbear: Privilege escalation

medium Nessus Plugin ID 20354

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-200512-13 (Dropbear: Privilege escalation)

 Under certain conditions Dropbear could fail to allocate a sufficient amount of memory, possibly resulting in a buffer overflow.
 Impact :

 By sending specially crafted data to the server, authenticated users could exploit this vulnerability to execute arbitrary code with the permissions of the SSH server user, which is the root user by default.
 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-0.47'

See Also

https://security.gentoo.org/glsa/200512-13

Plugin Details

Severity: Medium

ID: 20354

File Name: gentoo_GLSA-200512-13.nasl

Version: 1.16

Type: local

Published: 12/30/2005

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

CVSS v2

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/23/2005

Vulnerability Publication Date: 12/11/2005

Reference Information

CVE: CVE-2005-4178

GLSA: 200512-13