CVE-2016-2316

MEDIUM

Fedora - Integer Underflow

Title source: rule

Description

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.

References (6)

[Exploit, Patch, Vendor Advisory] http://downloads.asterisk.org/pub/security/AST-2016-002.html

[Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177409.html

[Third Party Advisory] http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177422.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/82651

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1034930

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3700

Scores

CVSS v3 5.9

EPSS 0.0109

EPSS Percentile 77.8%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-191

Status draft

Affected Products (50)

fedoraproject/fedora

fedoraproject/fedora

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

digium/asterisk

... and 35 more

Timeline

Published Feb 22, 2016

Tracked Since Feb 18, 2026