SB2023021520 - Privilege escalation in Azure App Service on Azure Stack Hub
Published: February 15, 2023
Security Bulletin ID
SB2023021520
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Privilege escalation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Code Injection (CVE-ID: CVE-2023-21777)
CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to unspecified error. A local user with access to the targeted worker role and the ability to deploy a malicious application within the worker can access and modify content of a targeted application or workload and interact with other tenant’s applications and content.
Remediation
Install update from vendor's website.