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-commonUpgrade dhcp-libsUpgrade dhcp-relayUpgrade dhcp-clientUpgrade dhcp-server | May 15, 2023 | Oct 7, 2022 |
| Alpine Linux | — | Upgrade dhcp | Mar 26, 2024 | Oct 7, 2022 |
| Amazon Linux Ami 2 | — | Upgrade dhcp-libsUpgrade dhcpUpgrade dhcp-commonUpgrade dhcp-debuginfoUpgrade dhcp-develUpgrade dhclient | Nov 10, 2022 | Oct 7, 2022 |
| Centos_linux | — | Upgrade dhcp-server-debuginfoUpgrade dhcp-commonUpgrade dhcp-clientUpgrade dhcp-relay-debuginfoUpgrade dhcp-libsUpgrade dhcp-libs-debuginfoUpgrade dhcp-relayUpgrade dhcp-debugsourceUpgrade dhcp-serverUpgrade dhcp-client-debuginfoUpgrade dhcp-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-commonUpgrade dhcp-libsUpgrade dhclientUpgrade dhcp | Mar 9, 2023 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp8 | — | Upgrade dhcp-clientUpgrade dhcp-serverUpgrade dhcp-commonUpgrade dhcp-libsUpgrade dhcp-relay | Dec 9, 2022 | Oct 7, 2022 |
| Huawei Euleros 2_0_sp9 | — | Upgrade dhcp | Jan 9, 2023 | Oct 7, 2022 |
| Oracle_linux | — | Upgrade dhcp-relayUpgrade dhcp-serverUpgrade dhcp-libsUpgrade dhcp-commonUpgrade dhcp-client | May 17, 2023 | Oct 5, 2022 |
| Redhat_linux | — | Upgrade dhcp-libs-debuginfoUpgrade dhcp-commonUpgrade dhcp-relayUpgrade dhcp-client-debuginfoUpgrade dhcp-clientUpgrade dhcp-relay-debuginfoUpgrade dhcp-serverNo solution existsUpgrade dhcp-debugsourceUpgrade dhcp-server-debuginfoUpgrade dhcp-libsUpgrade dhcp-debuginfo | May 15, 2023 | Oct 7, 2022 |
| Suse | — | Upgrade dhcp-develUpgrade dhcp-clientUpgrade dhcp-docUpgrade dhcpUpgrade dhcp-serverUpgrade dhcp-relay | Nov 16, 2022 | Oct 7, 2022 |
| Ubuntu | — | Upgrade isc-dhcp-clientUpgrade isc-dhcp-client (Ubuntu Pro)Upgrade isc-dhcp-serverUpgrade isc-dhcp-server (Ubuntu Pro) | 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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