CVE-2017-3144

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

Medium · published January 16, 2019

Patch now

High probability of exploitation

CVSS calls it medium at 5.3. It sits in the 99.4th percentile for exploit probability.

CVSS v3.0
5.3
EPSS
73%
Percentile
99.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
5.3 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.72724 · 99.4th percentile
Published
2019-01-16T20:00Z
EPSS history
Timeline
  • 16 JAN 20:00Z
    Failure to properly clean up closed OMAPI connections can exhaust available sockets
    cvelistv5