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Debian DLA-2064-1 : ldm security update

high Nessus Plugin ID 132776

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Synopsis

The remote Debian host is missing a security update.

Description

It was discovered that a hook script of ldm, the display manager for the Linux Terminal Server Project incorrectly parsed responses from an SSH server which could result in local root privilege escalation.

For Debian 8 'Jessie', this issue has been fixed in ldm version 2:2.2.15-2+deb8u1.

We recommend that you upgrade your ldm packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected ldm, and ldm-server packages.

See Also

https://lists.debian.org/debian-lts-announce/2020/01/msg00007.html

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

Plugin Details

Severity: High

ID: 132776

File Name: debian_DLA-2064.nasl

Version: 1.6

Type: local

Agent: unix

Published: 1/13/2020

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-20373

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:ldm, p-cpe:/a:debian:debian_linux:ldm-server

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/10/2020

Vulnerability Publication Date: 1/9/2020

Reference Information

CVE: CVE-2019-20373