Debian DSA-4311-1 : git - security update

critical Nessus Plugin ID 117957
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Debian host is missing a security-related update.

Description

joernchen of Phenoelit discovered that git, a fast, scalable, distributed revision control system, is prone to an arbitrary code execution vulnerability via a specially crafted .gitmodules file in a project cloned with --recurse-submodules.

Solution

Upgrade the git packages.

For the stable distribution (stretch), this problem has been fixed in version 1:2.11.0-3+deb9u4.

See Also

https://security-tracker.debian.org/tracker/source-package/git

https://packages.debian.org/source/stretch/git

https://www.debian.org/security/2018/dsa-4311

Plugin Details

Severity: Critical

ID: 117957

File Name: debian_DSA-4311.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/9/2018

Updated: 4/5/2019

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

Temporal Vector: E:F/RL:OF/RC:C

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: E:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:git, cpe:/o:debian:debian_linux:9.0

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: 10/5/2018

Exploitable With

Metasploit (Malicious Git HTTP Server For CVE-2018-17456)

Reference Information

CVE: CVE-2018-17456

DSA: 4311