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FreeBSD : asterisk -- Re-invite with T.38 and malformed SDP causes crash (94c6951a-0d04-11ea-87ca-001999f8d30b)

high Nessus Plugin ID 131261

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The Asterisk project reports :

If Asterisk receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a crash will occur.

Solution

Update the affected package.

See Also

https://downloads.asterisk.org/pub/security/AST-2019-008.html

http://www.nessus.org/u?3f61cc08

Plugin Details

Severity: High

ID: 131261

File Name: freebsd_pkg_94c6951a0d0411ea87ca001999f8d30b.nasl

Version: 1.3

Type: local

Published: 11/25/2019

Updated: 12/12/2019

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2019-18976

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:asterisk13, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 11/22/2019

Vulnerability Publication Date: 11/7/2019

Reference Information

CVE: CVE-2019-18976