asterisk: CVE-2019-15297: AST-2019-004: Crash when negotiating for T.38 with a declined stream

Debian Bug report logs - #940060
asterisk: CVE-2019-15297: AST-2019-004: Crash when negotiating for T.38 with a declined stream

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Salvatore Bonaccorso <carnil@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: asterisk: CVE-2019-15297: AST-2019-004: Crash when negotiating for T.38 with a declined stream

Date: Wed, 11 Sep 2019 22:36:10 +0200

Source: asterisk
Version: 1:16.2.1~dfsg-2
Severity: important
Tags: security upstream
Forwarded: https://issues.asterisk.org/jira/browse/ASTERISK-28495
Control: found -1 1:16.2.1~dfsg-1+deb10u1
Control: found -1 1:16.2.1~dfsg-1

Hi,

The following vulnerability was published for asterisk.

CVE-2019-15297[0]:
| res_pjsip_t38 in Sangoma Asterisk 13.21-cert4, 15.7.3, and 16.5.0
| allows an attacker to trigger a crash by sending a declined stream in
| a response to a T.38 re-invite initiated by Asterisk.


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-2019-15297
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15297
[1] https://issues.asterisk.org/jira/browse/ASTERISK-28495
[2] https://downloads.asterisk.org/pub/security/AST-2019-004.html

Please adjust the affected versions in the BTS as needed.



-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 5.2.0-2-amd64 (SMP w/2 CPU cores)
Kernel taint flags: TAINT_WARN
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE=C.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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