Medium severity · published Mar 9, 2016
CVE-2016-2774
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…
5.9
CVSS
73.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)73.6% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
DH
Dhcp · Isc
4.1-esv; 4.1-esv; 4.1-esv; 4.1-esv; 4.1-esv; 4.1-esv; +34 more · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2774
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2774
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.html
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2590.html
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
Third Party Advisory
http://www.securityfocus.com/bid/84208
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