CVE-2025-1131
HIGHAsterisk - Local Privilege Escalation via Uncontrolled Search Path in safe_asterisk Script
Title source: llmDescription
A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions. Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart.
References (2)
Core 2
Core References
Exploit, Vendor Advisory
https://github.com/asterisk/asterisk/security/advisories/GHSA-v9q8-9j8m-5xwp
Scores
CVSS v3
7.8
EPSS
0.0020
EPSS Percentile
9.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-427
Status
published
Products (3)
sangoma/asterisk
< 18.26.3
sangoma/certified_asterisk
18.9 cert1 (18 CPE variants)
sangoma/certified_asterisk
20.7 cert1 (8 CPE variants)
Published
Sep 23, 2025
Tracked Since
Feb 18, 2026