Vulnerability CVE-2016-7551 - CERT Civis.Net

Vulnerability Name:

CVE-2016-7551 (CCN-125101)

Assigned:

2016-08-05

Published:

2016-08-05

Updated:

2017-04-25

Summary:

chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2016-7551

Source: CONFIRM
Type: Mitigation, Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2016-007.html

Source: DEBIAN
Type: Third Party Advisory
DSA-3700

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838832

Source: CONFIRM
Type: Issue Tracking, Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1374733

Source: CCN
Type: Asterisk Project Security Advisory
AST-2016-007

Source: XF
Type: UNKNOWN
asterisk-cve20167551-dos(125101)

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-26272

Vulnerable Configuration:

Configuration 1:

cpe:/a:digium:asterisk:11.0.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.0.0:beta1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.0.0:beta2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.0.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.0.0:rc2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.0.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.0.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.1.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.1.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.1.0:rc3:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.1.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.1.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.2.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.2.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.2.0:rc2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.2.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.2.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.3.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.4.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.5.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.5.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.6.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.6.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.7.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.8.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.8.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.9.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.10.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.10.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.10.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.11.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.12.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.12.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.13.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.13.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.14.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.14.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.14.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.15.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.15.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.16.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.17.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.17.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.18.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.19.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.20.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.21.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.21.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.21.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.22.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.22.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.23.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:11.23.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:beta1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:beta2:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.0:beta3:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.0.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.1.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.1.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.2.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.2.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.3.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.3.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.3.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.4.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.5.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.6.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.7.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.8.2:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.9.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.9.1:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.10.0:*:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.10.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:asterisk:13.11.0:*:*:*:*:*:*:*

Configuration 2:

cpe:/a:digium:certified_asterisk:11.6:cert1:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert1:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert10:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert11:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert12:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert13:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert14:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert15:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert1_rc1:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert1_rc2:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert2:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert2:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert3:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert3:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert4:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert5:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert6:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert7:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert8:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6:cert9:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6.0:*:*:*:lts:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6.0:-:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6.0:rc1:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:11.6.0:rc2:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8:cert1:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8:cert1_rc1:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8:cert1_rc2:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8:cert1_rc3:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8:cert2_rc1:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8.0:*:*:*:*:*:*:*

OR cpe:/a:digium:certified_asterisk:13.8.0:rc1:*:*:*:*:*:*

Configuration 3:

cpe:/o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.cosmic:def:201675510000000	V	CVE-2016-7551 on Ubuntu 18.10 (cosmic) - medium.	2017-04-17
oval:com.ubuntu.artful:def:20167551000	V	CVE-2016-7551 on Ubuntu 17.10 (artful) - medium.	2017-04-17
oval:com.ubuntu.trusty:def:20167551000	V	CVE-2016-7551 on Ubuntu 14.04 LTS (trusty) - medium.	2017-04-17
oval:com.ubuntu.bionic:def:201675510000000	V	CVE-2016-7551 on Ubuntu 18.04 LTS (bionic) - medium.	2017-04-17
oval:com.ubuntu.bionic:def:20167551000	V	CVE-2016-7551 on Ubuntu 18.04 LTS (bionic) - medium.	2017-04-17
oval:com.ubuntu.xenial:def:20167551000	V	CVE-2016-7551 on Ubuntu 16.04 LTS (xenial) - medium.	2017-04-17
oval:com.ubuntu.xenial:def:201675510000000	V	CVE-2016-7551 on Ubuntu 16.04 LTS (xenial) - medium.	2017-04-17
oval:com.ubuntu.cosmic:def:20167551000	V	CVE-2016-7551 on Ubuntu 18.10 (cosmic) - medium.	2017-04-17
oval:com.ubuntu.disco:def:201675510000000	V	CVE-2016-7551 on Ubuntu 19.04 (disco) - medium.	2017-04-17
oval:com.ubuntu.precise:def:20167551000	V	CVE-2016-7551 on Ubuntu 12.04 LTS (precise) - medium.	2017-04-17
oval:org.cisecurity:def:1338	P	DSA-3700-1 -- asterisk -- security update	2016-12-09