Source: asterisk
Version: 1:22.4.1~dfsg+~cs6.15.60671435-2
Severity: grave
Tags: security upstream
Justification: user security hole
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for asterisk.

CVE-2025-49832[0]:
| Asterisk is an open source private branch exchange and telephony
| toolkit. In versions up to and including 18.26.2, between 20.00.0
| and 20.15.0, 20.7-cert6, 21.00.0, 22.00.0 through 22.5.0, there is a
| remote DoS and possible RCE condition in
| `asterisk/res/res_stir_shaken /verification.c` that can be exploited
| when an attacker can set an arbitrary Identity header, or
| STIR/SHAKEN is enabled, with verification set in the SIP profile
| associated with the endpoint to be attacked. This is fixed in
| versions 18.26.3, 20.7-cert6, 20.15.1, 21.10.1 and 22.5.1.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-49832
https://www.cve.org/CVERecord?id=CVE-2025-49832
[1] https://github.com/asterisk/asterisk/security/advisories/GHSA-mrq5-74j5-f5cr

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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Your message dated Sun, 03 Aug 2025 09:34:27 +0000
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and subject line Bug#1110317: fixed in asterisk 1:22.5.1~dfsg+~cs6.15.60671435-1
has caused the Debian Bug report #1110317,
regarding asterisk: CVE-2025-49832
to be marked as done.

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