CVE-2017-3144

high-risk
Published 2019-01-16

A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.

Do I need to act?

!
17.6% chance of exploitation in next 30 days
EPSS score — higher than 82% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Debian Redhat Isc Canonical

References (12)

Third Party Advisory http://www.securityfocus.com/bid/102726
Third Party Advisory http://www.securitytracker.com/id/1040194
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0158
Vendor Advisory https://kb.isc.org/docs/aa-01541
Third Party Advisory https://usn.ubuntu.com/3586-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4133
Third Party Advisory http://www.securityfocus.com/bid/102726
Third Party Advisory http://www.securitytracker.com/id/1040194
Third Party Advisory https://access.redhat.com/errata/RHSA-2018:0158
Vendor Advisory https://kb.isc.org/docs/aa-01541
Third Party Advisory https://usn.ubuntu.com/3586-1/
Third Party Advisory https://www.debian.org/security/2018/dsa-4133
65
/ 100
high-risk
Severity 26/34 · High
Exploitability 13/34 · Low
Exposure 26/34 · High