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FreeBSD : asterisk -- Remote crash in res_pjsip_diversion (b330db5f-7225-11eb-8386-001999f8d30b)

medium Nessus Plugin ID 146607

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The Asterisk project reports :

If a registered user is tricked into dialing a malicious number that sends lots of 181 responses to Asterisk, each one will cause a 181 to be sent back to the original caller with an increasing number of entries in the 'Supported' header. Eventually the number of entries in the header exceeds the size of the entry array and causes a crash.

Solution

Update the affected packages.

See Also

https://downloads.asterisk.org/pub/security/AST-2021-001.html

http://www.nessus.org/u?11938a39

Plugin Details

Severity: Medium

ID: 146607

File Name: freebsd_pkg_b330db5f722511eb8386001999f8d30b.nasl

Version: 1.4

Type: local

Published: 2/19/2021

Updated: 1/22/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-35776

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:asterisk13, p-cpe:/a:freebsd:freebsd:asterisk16, p-cpe:/a:freebsd:freebsd:asterisk18, cpe:/o:freebsd:freebsd

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/18/2021

Vulnerability Publication Date: 1/4/2021

Reference Information

CVE: CVE-2020-35776