VulnerabilityModified

CVE-2016-2316

MEDIUM 5.9EPSS 4.97%

Does this matter?

Lower severity and a low EPSS score (4.97%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0: 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 4.97% probability · 92th percentile
CISA KEV: Not listed
Weakness: CWE-191
Affected: fedoraproject/fedora · digium/asterisk · digium/certified asterisk
Source: cve@mitre.org

References

http://downloads.asterisk.org/pub/security/AST-2016-002.htmlExploit, Patch, Vendor Advisory
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 Advisory, VDB Entry
http://www.securitytracker.com/id/1034930Third Party Advisory, VDB Entry
http://downloads.asterisk.org/pub/security/AST-2016-002.htmlExploit, Patch, Vendor Advisory
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 Advisory, VDB Entry
http://www.securitytracker.com/id/1034930Third Party Advisory, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.