Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : Git vulnerability (USN-5076-1)

high Nessus Plugin ID 153243

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-5076-1 advisory.

- git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring. (CVE-2021-40330)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-5076-1

Plugin Details

Severity: High

ID: 153243

File Name: ubuntu_USN-5076-1.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/13/2021

Updated: 10/16/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-40330

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:git, p-cpe:/a:canonical:ubuntu_linux:git-all, p-cpe:/a:canonical:ubuntu_linux:git-arch, p-cpe:/a:canonical:ubuntu_linux:git-core, p-cpe:/a:canonical:ubuntu_linux:git-cvs, p-cpe:/a:canonical:ubuntu_linux:git-daemon-run, p-cpe:/a:canonical:ubuntu_linux:git-daemon-sysvinit, p-cpe:/a:canonical:ubuntu_linux:git-el, p-cpe:/a:canonical:ubuntu_linux:git-email, p-cpe:/a:canonical:ubuntu_linux:git-gui, p-cpe:/a:canonical:ubuntu_linux:git-man, p-cpe:/a:canonical:ubuntu_linux:git-mediawiki, p-cpe:/a:canonical:ubuntu_linux:git-svn, p-cpe:/a:canonical:ubuntu_linux:gitk, p-cpe:/a:canonical:ubuntu_linux:gitweb

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/13/2021

Vulnerability Publication Date: 8/31/2021

Reference Information

CVE: CVE-2021-40330

USN: 5076-1