SB2023090555 - Privilege escalation in Mozilla sccache
Published: September 5, 2023
Security Bulletin ID
SB2023090555
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Code Injection (CVE-ID: CVE-2023-1521)
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:H/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 the way the server handles compile request. A local user can execute arbitrary code with the privileges of a local sccache server by preloading the code in a shared library passed to LD_PRELOAD.
Remediation
Install update from vendor's website.