Home/CVE/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,
CVE

CVE-2016-2316

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,

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.

MEDIUM · CVSS 5.9 EPSS 0.01094
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-191Integer Underflow (Wrap or Wraparound)
▤

Affected Products & Versions

2
fedoraproject fedoraall versions
digium asteriskall versions
⚠

Public Exploits & PoCs

1
pocdownloads.asterisk.org · AST-2016-002.htmldownloads.asterisk.org
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Feb 2016 · 03:59 PM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3700
http://www.securityfocus.com/bid/82651Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1034930Third Party AdvisoryVDB Entry
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