In ISC DHCP 4.4.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1, when the function option_code_hash_lookup() is called from add_option(), it increases the option's refcount field. However, there is not a corresponding call to option_dereference() to decrement the refcount field. The function add_option() is only used in server responses to lease query packets. Each lease query response calls this function for several options, so eventually, the reference counters could overflow and cause the server to abort.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade dhcp-clientUpgrade dhcp-serverUpgrade dhcp-commonUpgrade dhcp-libsUpgrade dhcp-relay | May 15, 2023 | Oct 7, 2022 |
| Alpine Linux | — | Upgrade dhcp | Mar 26, 2024 | Oct 7, 2022 |
| Amazon Linux Ami 2 | — | Upgrade dhcpUpgrade dhcp-develUpgrade dhcp-debuginfoUpgrade dhcp-libsUpgrade dhclientUpgrade dhcp-common | Nov 10, 2022 | Oct 7, 2022 |
| Centos_linux | — | Upgrade dhcp-serverUpgrade dhcp-libs-debuginfoUpgrade dhcp-relayUpgrade dhcp-debugsourceUpgrade dhcp-debuginfoUpgrade dhcp-client-debuginfoUpgrade dhcp-libsUpgrade dhcp-server-debuginfoUpgrade dhcp-clientUpgrade dhcp-commonUpgrade dhcp-relay-debuginfo | May 15, 2023 | Oct 7, 2022 |
| Debian | — | Upgrade isc-dhcp | Oct 12, 2022 | Oct 7, 2022 |
| Gentoo Linux | — | Upgrade net-misc/dhcp. | May 4, 2023 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp10 | — | Upgrade dhcp | Dec 22, 2022 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp11 | — | Upgrade dhcp | Jan 6, 2023 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp5 | — | Upgrade dhcp-libsUpgrade dhcp-commonUpgrade dhclientUpgrade dhcp | Mar 9, 2023 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade dhcp-clientUpgrade dhcp-serverUpgrade dhcp-relayUpgrade dhcp-libsUpgrade dhcp-common | Dec 9, 2022 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade dhcp | Jan 9, 2023 | Oct 7, 2022 |
| Oracle_linux | — | Upgrade dhcp-libsUpgrade dhcp-commonUpgrade dhcp-serverUpgrade dhcp-relayUpgrade dhcp-client | May 17, 2023 | Oct 5, 2022 |
| Redhat_linux | — | Upgrade dhcp-server-debuginfoUpgrade dhcp-debuginfoUpgrade dhcp-libsUpgrade dhcp-debugsourceUpgrade dhcp-libs-debuginfoUpgrade dhcp-relayUpgrade dhcp-serverNo solution existsUpgrade dhcp-commonUpgrade dhcp-client-debuginfoUpgrade dhcp-relay-debuginfoUpgrade dhcp-client | May 15, 2023 | Oct 7, 2022 |
| Suse | — | Upgrade dhcp-docUpgrade dhcp-clientUpgrade dhcp-develUpgrade dhcp-relayUpgrade dhcpUpgrade dhcp-server | Nov 16, 2022 | Oct 7, 2022 |
| Ubuntu | — | Upgrade isc-dhcp-server (Ubuntu Pro)Upgrade isc-dhcp-client (Ubuntu Pro)Upgrade isc-dhcp-serverUpgrade isc-dhcp-client | Oct 6, 2022 | Oct 5, 2022 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 7, 2022 |
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