The Asterisk embedded web server 's /httpstatus page echos user supplied values(cookie and query string) without sanitization
Summary
The Asterisk embedded web server 's /httpstatus page echos user supplied values(cookie and query string) without sanitization
Original description
The description as published by the source.
Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using ast_str_append. The endpoint at GET /httpstatus is the potential vulnerable endpoint relating to asterisk/main /http.c. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2026-23738 asterisk Fixed in: 1:16.28.0~dfsg-0+deb11u9
- Ubuntu UBUNTU-CVE-2026-23738 asterisk
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov