SB2022090937 - openEuler update for unzip



SB2022090937 - openEuler update for unzip

Published: September 9, 2022

Security Bulletin ID SB2022090937
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2021-4217)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in unzip when handling Unicode strings. A remote attacker can trick the victim to open a specially crafted archive and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.