CVE-2017-3144
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 72.7% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 72.7% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 72.7% · EPSS, next 30 days
- Weakness
- CWE-400 · Uncontrolled resource consumption
- Record status
- Modified
Affected
- Isc Dhcp ≤ 4.2.8
- Isc Dhcp ≤ 4.3.6
- Isc Dhcp 4.1-esv
- Isc Dhcp 4.1.0
- Redhat Enterprise Linux Desktop 7.0
- Redhat Enterprise Linux Server 7.0
- Redhat Enterprise Linux Server Aus 7.4
- Redhat Enterprise Linux Server Aus 7.6
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2017-3144.md and follow it. Check whether this project is affected by CVE-2017-3144. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://www.securityfocus.com/bid/102726
- http://www.securitytracker.com/id/1040194
- https://access.redhat.com/errata/RHSA-2018:0158
- https://kb.isc.org/docs/aa-01541
- https://usn.ubuntu.com/3586-1/
- https://www.debian.org/security/2018/dsa-4133
- http://www.securityfocus.com/bid/102726
- http://www.securitytracker.com/id/1040194
- https://access.redhat.com/errata/RHSA-2018:0158
- https://kb.isc.org/docs/aa-01541
- https://usn.ubuntu.com/3586-1/
- https://www.debian.org/security/2018/dsa-4133