CVE-2025-1131 (GCVE-0-2025-1131)

Vulnerability from cvelistv5 – Published: 2025-09-23 04:31 – Updated: 2026-02-26 17:48
VLAI
Title
Asterisk Unsafe Shell Sourcing in safe_asterisk Leads to Local Privilege Escalation
Summary
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.
Severity
7 (High)
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N/V:C/RE:H/U:Amber
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-24 03:55 UTC
CWE
  • CWE-427 - Uncontrolled Search Path Element
Assigner
Gridware CNA under the redhat root
CNA scorecard – unranked: 0 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
Asterisk Asterisk Affected: Asterisk <=18.26.2 (custom)
Affected: Asterisk <= 20.15.0 (custom)
Affected: Asterisk <= 21.10.0 (custom)
Affected: Asterisk <= 22.5.0 (custom)
guessed Create a notification for this product.
Date Public
2025-08-01 05:23
Credits
Abdul Mhanni
Show details on NVD website
To clipboard 

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      "product_status:known_not_affected": "1",
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      "title": "asterisk: Asterisk Unsafe Shell Sourcing Leads to Local Privilege Escalation",
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                    "timestamp": "2025-09-24T03:55:15.207908Z",
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        "dateReserved": "2025-02-08T04:11:43.201Z",
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}



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