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CVE-2025-1131

Asterisk Unsafe Shell Sourcing in safe_asterisk Leads to Local Privilege Escalation

Published: Sep 23, 2025Updated: Nov 3, 2025 Sources: CVE List NVD BDUCWE-427
7.8HIGH
NVD MITRE
EPSS Score
0.2%
Top 90.0%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-427

Affected Products

sangoma
commercial·CAaka asterisk, freepbx, certified asterisk
asteriskOn-prem
Communications
certified asteriskOn-prem
Communications / voip-telephony
Asterisk
oss-projectaka open source, asterisk appliance developer kit
AsteriskOn-premWeb App
Communications / voip-telephony
Digium, Inc.
commercial·USaka digium, digium inc.
Asterisk
Communications

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Persistence
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References

https://github.com/asterisk/asterisk/security/advisories/GHSA-v9q8-9j8m-5xwp
github.com
https://lists.debian.org/debian-lts-announce/2025/10/msg00006.html
lists.debian.org

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