SB2021073112 - openEuler update for rubygem-yard



SB2021073112 - openEuler update for rubygem-yard

Published: July 31, 2021

Security Bulletin ID SB2021073112
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Path traversal (CVE-ID: CVE-2019-1020001)

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

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to path traversal in yard server when handling unsanitized HTTP requests. A remote attacker can send a specially crafted request to disclose sensitive information.

Exploitation is possible when YARD is used to serve documentation in untrusted environments.


Remediation

Install update from vendor's website.