Bug#931980: asterisk: CVE-2019-12827: AST-2019-002: Remote crash vulnerability with MESSAGE messages

[Salvatore Bonaccorso]

Package: asterisk
Version: 1:16.2.1~dfsg-1
Severity: important
Tags: security upstream
Forwarded: https://issues.asterisk.org/jira/browse/ASTERISK-28447

Hi,

The following vulnerability was published for asterisk.

CVE-2019-12827[0]:
| Buffer overflow in res_pjsip_messaging in Digium Asterisk versions
| 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote
| authenticated users to crash Asterisk by sending a specially crafted
| SIP MESSAGE message.


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-2019-12827
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12827
[1] https://issues.asterisk.org/jira/browse/ASTERISK-28447
[2] https://downloads.asterisk.org/pub/security/AST-2019-002.html

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore