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CVE-2012-3863

Date: July 9, 2012

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.

Language: C

Severity Score

Related Resources (9)

http://downloads.asterisk.org/pub/security/AST-2012-010.html
https://security-tracker.debian.org/tracker/CVE-2012-3863
http://secunia.com/advisories/50756
http://www.debian.org/security/2012/dsa-2550
https://nvd.nist.gov/vuln/detail/CVE-2012-3863
http://www.securityfocus.com/bid/54327
http://secunia.com/advisories/50687
https://issues.asterisk.org/jira/browse/ASTERISK-19992
https://www.mend.io/vulnerability-database/CVE-2012-3863

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

CVSS v3.1

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

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