SB2020101360 - Privilege escalation in Microsoft Azure Functions
Published: October 13, 2020
Security Bulletin ID
SB2020101360
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-16904)
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to the way Azure Functions validate access keys. A remote attacker can invoke an HTTP Function without proper authorization.
Remediation
Install update from vendor's website.