Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 18.10 : Git vulnerabilities (USN-3829-1)

critical Nessus Plugin ID 119256
New! Plugin Severity Now Using CVSS v3

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that Git incorrectly handled layers of tree objects.
An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2017-15298)

It was discovered that Git incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10.
(CVE-2018-19486).

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

Solution

Update the affected git package.

See Also

https://usn.ubuntu.com/3829-1/

Plugin Details

Severity: Critical

ID: 119256

File Name: ubuntu_USN-3829-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/28/2018

Updated: 9/17/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:git, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.10

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/27/2018

Vulnerability Publication Date: 10/14/2017

Reference Information

CVE: CVE-2017-15298, CVE-2018-19486

USN: 3829-1