SB2020043034 - Path traversal in GitLab, GitLab Enterprise Edition



SB2020043034 - Path traversal in GitLab, GitLab Enterprise Edition

Published: April 30, 2020

Security Bulletin ID SB2020043034
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2020-12448)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in NuGet package registry. A remote attacker can use a specially crafted NuGet package to read any *.nupkg file on the system.


Remediation

Install update from vendor's website.