SB2022092345 - SUSE update for rubygem-rack

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Main Vulnerability Database SB2022092345

SB2022092345 - SUSE update for rubygem-rack

Published: September 23, 2022

Security Bulletin ID SB2022092345
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Path traversal (CVE-ID: CVE-2020-8161)

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:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


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 Rack::Directory app. A remote attacker can send a specially crafted request and read arbitrary files on the system.


2) Missing support for integrity check (CVE-ID: CVE-2020-8184)

CWE-ID: CWE-353 - Missing Support for Integrity Check

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


The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to missing integrity check of secure cookies. A remote attacker can alter the cookies in the requests and bypass implemented security restrictions.


Remediation

Install update from vendor's website.

References