Vulnerability Details : CVE-2014-2289
res/res_pjsip_exten_state.c in the PJSIP channel driver in Asterisk Open Source 12.x before 12.1.0 allows remote authenticated users to cause a denial of service (crash) via a SUBSCRIBE request without any Accept headers, which triggers an invalid pointer dereference.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2014-2289
- cpe:2.3:a:digium:asterisk:12.1.0:rc1:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-2289
5.92%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-2289
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:N/A:P |
6.8
|
2.9
|
NIST |
CWE ids for CVE-2014-2289
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-2289
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http://downloads.asterisk.org/pub/security/AST-2014-004.html
AST-2014-004Patch;Vendor Advisory
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http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html
[SECURITY] Fedora 20 Update: asterisk-11.8.1-1.fc20
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https://issues.asterisk.org/jira/browse/ASTERISK-23139
[ASTERISK-23139] Security: Remote crash in res_pjsip_exten_state - Digium/Asterisk JIRA
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http://downloads.asterisk.org/pub/security/AST-2014-004-12.diff
Patch
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http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html
[SECURITY] Fedora 19 Update: asterisk-11.8.1-1.fc19
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