SB2022112844 - Ubuntu update for perl



SB2022112844 - Ubuntu update for perl

Published: November 28, 2022

Security Bulletin ID SB2022112844
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2020-16156)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

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


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

The vulnerability exists due to incorrect processing of signed code. A remote attacker trick the victim into downloading a malicious file, bypass signature verification procedure and compromise the affected system.


Remediation

Install update from vendor's website.