SB2021053014 - openEuler 20.03 LTS SP1 update for hivex
Published: May 30, 2021
Security Bulletin ID
SB2021053014
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2021-3504)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the hivex_open() function when processing a Windows Registry (hive) file. A remote attacker can create a specially crafted Windows Registry (hive) file, trick the victim into opening it, trigger out-of-bounds read error and crash the application that us using the affected library.
Remediation
Install update from vendor's website.