SB2020052504 - Authentication bypass in QEMU
Published: May 25, 2020
Security Bulletin ID
SB2020052504
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2020-10702)
The vulnerability allows a local user to bypass authentication.
The vulnerability exists due to usage of a weak signature algorithm within the /arm/pauth_helper.c in Pointer Authentication support for ARM. A local user can bypass PAuth and gain unauthorized access to resources on the system.
Remediation
Install update from vendor's website.