5.9med

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, 11.6 before 11.6-c…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.0%
percentile 92%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

4.95% probability of exploitation in the next 30 days, higher than 92% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.07.1AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-191 Integer Underflow (Wrap or Wraparound)

References

  • securityfocus.com /bid/82651 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1034930 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-February/177409.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • lists.fedoraproject.org /pipermail/package-announce/2016-February/177422.html · vendor-advisory, x_refsource_FEDORA, x_transferred
  • debian.org /security/2016/dsa-3700 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • downloads.asterisk.org /pub/security/AST-2016-002.html · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.