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 service (INSIST assertion failure or request-processing outage) by…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 73.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 73.62% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- isc/dhcp · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.htmlMailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2590.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
- http://www.securityfocus.com/bid/84208Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035196Third Party Advisory, VDB Entry
- https://kb.isc.org/article/AA-01354Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/11/msg00023.htmlThird Party Advisory
- https://usn.ubuntu.com/3586-1/Third Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183458.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183640.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2016-07/msg00066.htmlMailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2590.htmlThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
- http://www.securityfocus.com/bid/84208Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1035196Third Party Advisory, VDB Entry
- https://kb.isc.org/article/AA-01354Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/11/msg00023.htmlThird Party Advisory
- https://usn.ubuntu.com/3586-1/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.