Vulnerability CVE-2016-2774
Published: 2016-03-09

Description:
ISC DHCP 4.1.x before 4.1-ESV-R13 and 4.2.x and 4.3.x before 4.3.4 does not restrict the number of concurrent TCP sessions, which allows remote attackers to cause a denial of service (INSIST assertion failure or request-processing outage) by establishing many sessions.

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.1/10
6.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
ISC -> DHCP 

 References:
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html
http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html
http://rhn.redhat.com/errata/RHSA-2016-2590.html
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
http://www.securityfocus.com/bid/84208
http://www.securitytracker.com/id/1035196
https://kb.isc.org/article/AA-01354
https://usn.ubuntu.com/3586-1/
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