Bug#991710: asterisk: CVE-2021-32558

[Salvatore Bonaccorso]

Source: asterisk
Version: 1:16.16.1~dfsg-1
Severity: important
Tags: security upstream
Forwarded: https://issues.asterisk.org/jira/browse/ASTERISK-29392
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for asterisk.

CVE-2021-32558[0]:
| An issue was discovered in Sangoma Asterisk 13.x before 13.38.3, 16.x
| before 16.19.1, 17.x before 17.9.4, and 18.x before 18.5.1, and
| Certified Asterisk before 16.8-cert10. If the IAX2 channel driver
| receives a packet that contains an unsupported media format, a crash
| can occur.


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-2021-32558
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-32558
[1] https://issues.asterisk.org/jira/browse/ASTERISK-29392
[2] https://downloads.asterisk.org/pub/security/AST-2021-008.html

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore