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CVE-2016-2316

Date: February 22, 2016

chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater than 1245, allows remote attackers to cause a denial of service (file descriptor consumption) via vectors related to large retransmit timeout values.

Language: C

Severity Score

Related Resources (10)

http://www.securityfocus.com/bid/82651
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2316
http://www.securitytracker.com/id/1034930
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html
http://downloads.asterisk.org/pub/security/AST-2016-002.html
https://security-tracker.debian.org/tracker/CVE-2016-2316
http://www.debian.org/security/2016/dsa-3700
https://nvd.nist.gov/vuln/detail/CVE-2016-2316
https://www.mend.io/vulnerability-database/CVE-2016-2316

Severity Score

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

CVSS v3.1

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

CVSS v2

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

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