high7.5
CVE-2018-5733
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 cou…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Isc | Dhcp | from 4.2.0 through 4.2.8 from 4.3.0 through 4.3.6 Versions 4.1-esv, 4.1.0, 4.4.0 |
| Redhat | Enterprise Linux Desktop | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Server | Versions 6.0, 7.0 |
| Redhat | Enterprise Linux Server Aus | Versions 7.4, 7.6 |
| Redhat | Enterprise Linux Server Eus | Versions 7.4, 7.5, 7.6 |
| Redhat | Enterprise Linux Workstation | Versions 6.0, 7.0 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 17.10 |
| Debian | Debian Linux | Versions 7.0, 8.0, 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/103188
- http://www.securitytracker.com/id/1040437
- https://access.redhat.com/errata/RHSA-2018:0469
- https://access.redhat.com/errata/RHSA-2018:0483
- https://kb.isc.org/docs/aa-01567
- https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html
- https://usn.ubuntu.com/3586-1/
- https://usn.ubuntu.com/3586-2/
- https://www.debian.org/security/2018/dsa-4133
- http://www.securityfocus.com/bid/103188
- http://www.securitytracker.com/id/1040437
- https://access.redhat.com/errata/RHSA-2018:0469
- https://access.redhat.com/errata/RHSA-2018:0483
- https://kb.isc.org/docs/aa-01567
- https://lists.debian.org/debian-lts-announce/2018/03/msg00015.html
- https://security.netapp.com/advisory/ntap-20250425-0010/
- https://usn.ubuntu.com/3586-1/
- https://usn.ubuntu.com/3586-2/
- https://www.debian.org/security/2018/dsa-4133