Failure to properly clean up closed OMAPI connections can exhaust available sockets (ISC ISC DHCP)
At a glance
- Source
- NVD
- EPSS
- EPSS 72.72 % · percentile 99 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- isc
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-400 — Uncontrolled Resource Consumption
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | isc |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.0 | MEDIUM 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | NVD · security-officer@isc.org (Secondary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2017-12285
- GCVE · GCVE-0-2017-3144
Affected configurations (NVD CPE)
cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*≥ 4.2.0 ≤ 4.2.8cpe:2.3:a:isc:dhcp:*:*:*:*:*:*:*:*≥ 4.3.0 ≤ 4.3.6cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r10:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r10_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r10_rc1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r11:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r11_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r11_rc2:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r12:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r12_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r12_p1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r13:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r13_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r14:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r14_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r15:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r7:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r8:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r8_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r8_rc1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r9:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r9_b1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1-esv:r9_rc1:*:*:*:*:*:*cpe:2.3:a:isc:dhcp:4.1.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*- +11 more
Affected products
| Product | Versions |
|---|---|
| ISC · ISC DHCP | affected 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. |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |