PT-2017-9222 · Digium · Asterisk

Etienne Lessard + 1 · Published 2016-10-25 · Updated 2017-04-25 · CVE-2016-7551

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 11.x through 11.23.0 Asterisk Open Source versions 13.x through 13.11.0 Certified Asterisk versions 11.6 through 11.6-cert14 Certified Asterisk versions 13.8 through 13.8-cert2

Description The issue allows remote attackers to cause a denial of service, specifically port exhaustion, by exploiting the chain sip component.

Recommendations For Asterisk Open Source versions 11.x through 11.23.0, update to version 11.23.1 or later. For Asterisk Open Source versions 13.x through 13.11.0, update to version 13.11.1 or later. For Certified Asterisk versions 11.6 through 11.6-cert14, update to version 11.6-cert15 or later. For Certified Asterisk versions 13.8 through 13.8-cert2, update to version 13.8-cert3 or later.

Fix

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2016-7551

DLA-781-1

DSA-3700-1

Affected Products

Asterisk

References · 24

• https://bdu.fstec.ru/vul/2016-00734 · Security Note
• https://security-tracker.debian.org/tracker/source-package/asterisk · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-7551 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2316 · Security Note
• https://bdu.fstec.ru/vul/2016-00893 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2016-7551 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2016-7551 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2016-7551 · Vendor Advisory
• http://downloads.asterisk.org/pub/security/AST-2016-007.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-3008 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=1374733 · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2232 · Security Note
• https://ubuntu.com/security/CVE-2016-7551 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3700-1 · Vendor Advisory
• http://debian.org/security/2016/dsa-3700 · Vendor Advisory