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CVE-2014-2289

Date: April 18, 2014

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.

Language: C

Severity Score

Related Resources (8)

http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130426.html
https://nvd.nist.gov/vuln/detail/CVE-2014-2289
https://issues.asterisk.org/jira/browse/ASTERISK-23139
http://lists.fedoraproject.org/pipermail/package-announce/2014-March/130400.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-2289
http://downloads.asterisk.org/pub/security/AST-2014-004-12.diff
http://downloads.asterisk.org/pub/security/AST-2014-004.html
https://www.mend.io/vulnerability-database/CVE-2014-2289

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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