Vulnerability Details : CVE-2015-1558
Asterisk Open Source 12.x before 12.8.1 and 13.x before 13.1.1, when using the PJSIP channel driver, does not properly reclaim RTP ports, which allows remote authenticated users to cause a denial of service (file descriptor consumption) via an SDP offer containing only incompatible codecs.
Vulnerability category: Denial of service
Threat overview for CVE-2015-1558
Top countries where our scanners detected CVE-2015-1558
Top open port discovered on systems with this issue
80
IPs affected by CVE-2015-1558 170
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2015-1558
Probability of exploitation activity in the next 30 days: 0.71%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2015-1558
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:N/A:P |
6.8
|
2.9
|
NIST |
CWE ids for CVE-2015-1558
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-1558
-
http://seclists.org/fulldisclosure/2015/Jan/116
Full Disclosure: AST-2015-001: File descriptor leak when incompatible codecs are offered
-
http://www.securityfocus.com/archive/1/534573/100/0/threaded
SecurityFocus
-
http://www.securitytracker.com/id/1031661
Asterisk File Descriptor Leak Lets Remote Authenticated Users Deny Service - SecurityTracker
-
http://downloads.asterisk.org/pub/security/AST-2015-001.html
AST-2015-001Vendor Advisory
Products affected by CVE-2015-1558
- cpe:2.3:a:digium:asterisk:12.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.1.0:-:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.3.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.2.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.7.0:*:*:*:lts:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:12.8.1:*:*:*:*:*:*:*