Vulnerability Details : CVE-2016-7551
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).
Vulnerability category: Denial of service
Products affected by CVE-2016-7551
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- 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:11.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.1:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.0:beta1:*:*:*:*:*:*
- 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:11.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.15.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.16.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.17.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.21.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.18.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.15.1:*:*:*:*:*:*:*
- 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:13.7.2:*:*:*:*:*:*:*
- 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:11.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.17.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.19.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.23.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.12.1:*:*:*:*:*:*:*
- 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:13.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.10.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.13.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.20.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.22.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.23.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1_rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1_rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6.0:rc2:*:*:*:*:*:*
- 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:cert2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6.0:*:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert5:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert3:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert4:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert2:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert7:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert6:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert8:*:*:lts:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert9:*:*: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:13.8:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.8:cert1_rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.8:cert1_rc1:*:*:*:*:*:*
- 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:13.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.8:cert2_rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.8:cert1_rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert12:*:*:lts:*:*:*
Threat overview for CVE-2016-7551
Top countries where our scanners detected CVE-2016-7551
Top open port discovered on systems with this issue
8088
IPs affected by CVE-2016-7551 9,612
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2016-7551!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2016-7551
4.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-7551
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-7551
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-7551
-
http://downloads.asterisk.org/pub/security/AST-2016-007.html
AST-2016-007Mitigation;Vendor Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1374733
1374733 – (CVE-2016-7551) CVE-2016-7551 asterisk: RTP Resource ExhaustionIssue Tracking;Patch
-
https://issues.asterisk.org/jira/browse/ASTERISK-26272
[ASTERISK-26272] chan_sip: File descriptors leak (UDP sockets) - Digium/Asterisk JIRAIssue Tracking;Patch;Third Party Advisory
-
http://www.debian.org/security/2016/dsa-3700
Debian -- Security Information -- DSA-3700-1 asteriskThird Party Advisory
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838832
#838832 - asterisk: chan_sip: File descriptors leak (UDP sockets) / AST-2016-007, CVE-2016-7551 - Debian Bug report logsIssue Tracking;Patch;Third Party Advisory
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