CVE-2017-3144 Failure to properly clean up closed OMAPI connections can exhaust available sockets

2019-01-1620:00:00

isc

www.cve.org

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

AI Score

7.5

Confidence

High

EPSS

0.144

Percentile

95.8%

JSON

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.

CNA Affected

[
  {
    "product": "ISC DHCP",
    "vendor": "ISC",
    "versions": [
      {
        "status": "affected",
        "version": "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."
      }
    ]
  }
]