Home/CVE/An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests
CVE

CVE-2022-26499

An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests

An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests (such as GET) to interfaces such as localhost by using the Identity header. This is fixed in 16.25.2, 18.11.2, and 19.3.2.

CRITICAL · CVSS 9.1 EPSS 0.01464
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-918Server-Side Request Forgery (SSRF)
▤

Affected Products & Versions

4
digium asterisk>= 16.15.0 and <= 16.25.1
digium asterisk>= 18.0 and < 18.11.2
digium asterisk>= 19.0.0 and <= 19.3.1
debian linuxall versions
⚠

Public Exploits & PoCs

1
pocpacketstormsecurity.com · Asterisk-Project-Security-Advisory-AST-2022-002.htmlpacketstormsecurity.com
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Apr 2022 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://downloads.asterisk.org/pub/security/Vendor Advisory
https://downloads.asterisk.org/pub/security/AST-2022-002.htmlPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.htmlIssue TrackingThird Party Advisory
https://www.debian.org/security/2022/dsa-5285Third Party Advisory
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