Описание
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.
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.
Ссылки
- https://nvd.nist.gov/vuln/detail/CVE-2018-5733
- 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
- http://www.securityfocus.com/bid/103188
- http://www.securitytracker.com/id/1040437
Связанные уязвимости
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.
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.
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.
A malicious client which is allowed to send very large amounts of traf ...
Уязвимость DHCP-сервера dhcpd, вызванная возможностью переполнения 32-разрядного счетчика ссылок и позволяющая вызвать отказ в обслуживании сервера