CVE-2018-5733
5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A malicious client which is allowed to send very large amounts of traffic (billions of packets) to a DHCP server can eventually overflow a 32-bit reference counter, potentially causing dhcpd to crash. Affects ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ISC | ISC DHCP | ISC DHCP 4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0 | affected |
Weaknesses
- Successful exploitation of this vulnerability may exhaust the memory available to dhcpd and/or cause it to crash, resulting in a denial of service to clients.
ADP Enrichment
CVE Program Container
Additional References
- https://kb.isc.org/docs/aa-01567
- https://access.redhat.com/errata/RHSA-2018:0469
- https://www.debian.org/security/2018/dsa-4133
- https://usn.ubuntu.com/3586-2/
- https://access.redhat.com/errata/RHSA-2018:0483
- https://usn.ubuntu.com/3586-1/
- http://www.securityfocus.com/bid/103188
- http://www.securitytracker.com/id/1040437
- https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html
- https://security.netapp.com/advisory/ntap-20250425-0010/
References
- https://kb.isc.org/docs/aa-01567
- https://access.redhat.com/errata/RHSA-2018:0469
- https://www.debian.org/security/2018/dsa-4133
- https://usn.ubuntu.com/3586-2/
- https://access.redhat.com/errata/RHSA-2018:0483
- https://usn.ubuntu.com/3586-1/
- http://www.securityfocus.com/bid/103188
- http://www.securitytracker.com/id/1040437
- https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html
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