CVE-2017-3144

Failure to properly clean up closed OMAPI connections can exhaust available sockets

HIGH
7.5
CVSS Score
Published: January 16, 2019 at 08:00 PM UTC
Updated: June 17, 2026 at 01:17 AM UTC
9 products affected across 4 vendorsDebian LinuxUbuntu LinuxEnterprise Linux Desktop

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Severity
HIGH7.5
Exploit prediction
EPSS 73%

Description

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.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/102726
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1040194
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:0158
x_refsource_CONFIRMVendor Advisory
https://kb.isc.org/docs/aa-01541
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3586-1/
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
https://www.debian.org/security/2018/dsa-4133

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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