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Debian DLA-1454-1 : network-manager-vpnc security update

high Nessus Plugin ID 111467

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Synopsis

The remote Debian host is missing a security update.

Description

Denis Andzakovic discovered that network-manager-vpnc, a plugin to provide VPNC support for NetworkManager, is prone to a privilege escalation vulnerability. A newline character can be used to inject a Password helper parameter into the configuration data passed to vpnc, allowing a local user with privileges to modify a system connection to execute arbitrary commands as root.

For Debian 8 'Jessie', this problem has been fixed in version 0.9.10.0-1+deb8u1.

We recommend that you upgrade your network-manager-vpnc 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 packages.

See Also

https://lists.debian.org/debian-lts-announce/2018/07/msg00048.html

https://packages.debian.org/source/jessie/network-manager-vpnc

Plugin Details

Severity: High

ID: 111467

File Name: debian_DLA-1454.nasl

Version: 1.7

Type: local

Agent: unix

Published: 8/2/2018

Updated: 8/30/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6

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

CVSS Score Source: CVE-2018-10900

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

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:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:network-manager-vpnc-gnome, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:network-manager-vpnc

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: 7/31/2018

Exploitable With

Metasploit (Network Manager VPNC Username Privilege Escalation)

Reference Information

CVE: CVE-2018-10900