5.3med

CVE-2017-3144

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

Published 7 y ago · modified 4 mo ago · JSON

CVSS
5.3
v3.0 · CNA
CISA KEV
No
not known exploited
EPSS
72.7%
percentile 99%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

72.72% probability of exploitation in the next 30 days, higher than 99% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD3.17.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA3.05.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • ISC ISC DHCP

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

  • access.redhat.com /errata/RHSA-2018:0158 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • debian.org /security/2018/dsa-4133 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • securityfocus.com /bid/102726 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1040194 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • usn.ubuntu.com /3586-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • kb.isc.org /docs/aa-01541 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.