CVE-2016-7551

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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).

References

http://downloads.asterisk.org/pub/security/AST-2016-007.html

http://www.debian.org/security/2016/dsa-3700

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838832

https://bugzilla.redhat.com/show_bug.cgi?id=1374733

https://issues.asterisk.org/jira/browse/ASTERISK-26272

Details

Source: MITRE

Published: 2017-04-17

Updated: 2017-04-25

Type: CWE-399

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:digium:asterisk:11.0.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.0.0:beta1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.0.0:beta2:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.0.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.0.0:rc2:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.0.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.0.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.1.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.1.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.1.0:rc3:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.1.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.1.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.2.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.2.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.2.0:rc2:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.2.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.2.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.3.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.4.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.5.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.5.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.6.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.6.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.7.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.8.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.8.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.9.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.10.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.10.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.10.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.11.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.12.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.12.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.13.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.13.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.14.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.14.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.14.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.15.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.15.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.16.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.17.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.17.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.18.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.19.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.20.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.21.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.21.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.21.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.22.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.22.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.23.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:11.23.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.0.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.0.0:beta1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.0.0:beta2:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.0.0:beta3:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.0.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.0.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.1.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.1.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.2.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.2.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.3.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.3.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.3.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.4.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.5.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.6.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.7.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.7.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.7.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.8.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.8.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.8.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.8.2:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.9.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.9.1:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.10.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.10.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:asterisk:13.11.0:*:*:*:*:*:*:*

Configuration 2

OR

cpe:2.3:a:digium:certified_asterisk:11.6:cert1:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert1:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert10:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert11:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert12:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert13:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert14:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert15:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert1_rc1:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert1_rc2:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert2:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert2:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert3:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert3:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert4:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert5:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert6:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert7:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert8:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6:cert9:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6.0:*:*:*:lts:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6.0:-:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6.0:rc1:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:11.6.0:rc2:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8:cert1:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8:cert1_rc1:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8:cert1_rc2:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8:cert1_rc3:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8:cert2_rc1:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8.0:*:*:*:*:*:*:*

cpe:2.3:a:digium:certified_asterisk:13.8.0:rc1:*:*:*:*:*:*

Configuration 3

OR

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
105895Fedora 27 : asterisk (2017-66e9367f7e)NessusFedora Local Security Checks
high
94259Debian DSA-3700-1 : asterisk - security updateNessusDebian Local Security Checks
high