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Debian DLA-237-1 : mercurial security update

critical Nessus Plugin ID 83995

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Synopsis

The remote Debian host is missing a security update.

Description

CVE-2014-9462

Jesse Hertz of Matasano Security discovered that Mercurial, a distributed version control system, is prone to a command injection vulnerability via a crafted repository name in a clone command.

CVE-2014-9390

is a security vulnerability that affects mercurial repositories in a case-insensitive filesystem (eg. VFAT or HFS+). It allows for remote code execution of a specially crafted repository. This is less severe for the average Debian installation as they are usually set up with case-sensitive filesystems.

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 mercurial, and mercurial-common packages.

See Also

https://lists.debian.org/debian-lts-announce/2015/06/msg00001.html

https://packages.debian.org/source/squeeze-lts/mercurial

Plugin Details

Severity: Critical

ID: 83995

File Name: debian_DLA-237.nasl

Version: 2.9

Type: local

Agent: unix

Published: 6/5/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:mercurial, p-cpe:/a:debian:debian_linux:mercurial-common, cpe:/o:debian:debian_linux:6.0

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: 6/4/2015

Vulnerability Publication Date: 3/31/2015

Exploitable With

Core Impact

Metasploit (Malicious Git and Mercurial HTTP Server For CVE-2014-9390)

Reference Information

CVE: CVE-2014-9390, CVE-2014-9462

BID: 71732, 73688