Bug#1059032: asterisk: CVE-2023-49294

[Salvatore Bonaccorso]

Source: asterisk
Version: 1:20.5.0~dfsg+~cs6.13.40431414-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for asterisk.

CVE-2023-49294[0]:
| Asterisk is an open source private branch exchange and telephony
| toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1,
| as well as certified-asterisk prior to 18.9-cert6, it is possible to
| read any arbitrary file even when the `live_dangerously` is not
| enabled. This allows arbitrary files to be read. Asterisk versions
| 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to
| 18.9-cert6, contain a fix for this issue.


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-2023-49294
    https://www.cve.org/CVERecord?id=CVE-2023-49294
[1] https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
[2] https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore