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CVE-2013-5642

Date: September 9, 2013

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.

Language: C

Severity Score

Related Resources (13)

https://nvd.nist.gov/vuln/detail/CVE-2013-5642
http://www.securitytracker.com/id/1028957
http://downloads.asterisk.org/pub/security/AST-2013-005.html
https://issues.asterisk.org/jira/browse/ASTERISK-22007
http://secunia.com/advisories/54617
http://www.mandriva.com/security/advisories?name=MDVSA-2013:223
http://www.securityfocus.com/bid/62022
http://osvdb.org/96690
http://www.debian.org/security/2013/dsa-2749
https://security-tracker.debian.org/tracker/CVE-2013-5642
http://secunia.com/advisories/54534
http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
https://www.mend.io/vulnerability-database/CVE-2013-5642

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
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): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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