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

CVE-2017-3144

5.3MEDIUM

Key Information

Vendor
Isc
Status
Isc Dhcp
Vendor
CVE Published:
16 January 2019

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.

Affected Version(s)

ISC DHCP 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.

References

https://access.redhat.com/errata/RHSA-2018:0158
vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2018/dsa-4133
vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/102726
vdb-entryx_refsource_BID

EPSS Score

12% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database
.