lib/kadm5/kadm_rpc_xdr.c in MIT Kerberos 5 (aka krb5) before 1.20.2 and 1.21.x before 1.21.1 frees an uninitialized pointer. A remote authenticated user can trigger a kadmind crash. This occurs because _xdr_kadm5_principal_ent_rec does not validate the relationship between n_key_data and the key_data array count.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade krb5-server-ldapUpgrade krb5-libsUpgrade krb5-pkinitUpgrade krb5-serverUpgrade krb5-workstationUpgrade krb5-develUpgrade libkadm5 | Nov 16, 2023 | Aug 7, 2023 |
| Alpine Linux | — | Upgrade krb5 | Aug 22, 2024 | Aug 7, 2023 |
| Amazon Linux Ami 2 | — | Upgrade krb5-server-ldapUpgrade libkadm5Upgrade krb5-develUpgrade krb5-serverUpgrade krb5-workstationUpgrade krb5-debuginfoUpgrade krb5-pkinitUpgrade krb5-libs | Sep 8, 2023 | Aug 7, 2023 |
| Amazon_linux | — | Upgrade krb5 | Sep 11, 2023 | Aug 7, 2023 |
| Amazon_linux_2023 | — | Upgrade krb5-server-ldapUpgrade krb5-debugsourceUpgrade krb5-workstation-debuginfoUpgrade krb5-pkinit-debuginfoUpgrade krb5-libsUpgrade krb5-server-ldap-debuginfoUpgrade krb5-server-debuginfoUpgrade krb5-libs-debuginfoUpgrade krb5-workstationUpgrade krb5-pkinitUpgrade libkadm5Upgrade krb5-serverUpgrade krb5-debuginfoUpgrade krb5-develUpgrade libkadm5-debuginfo | Feb 17, 2025 | Aug 7, 2023 |
| Centos_linux | — | Upgrade krb5-develUpgrade krb5-debugsourceUpgrade libkadm5Upgrade krb5-libs-debuginfoUpgrade krb5-server-debuginfoUpgrade krb5-server-ldapUpgrade krb5-libsUpgrade libkadm5-debuginfoUpgrade krb5-pkinitUpgrade krb5-server-ldap-debuginfoUpgrade krb5-workstationUpgrade krb5-pkinit-debuginfoUpgrade krb5-serverUpgrade krb5-debuginfoUpgrade krb5-workstation-debuginfo | Nov 8, 2023 | Aug 7, 2023 |
| Debian | — | Upgrade krb5 | Oct 24, 2023 | Aug 7, 2023 |
| Dell Powerstore Dsa2024120 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Mar 26, 2024 |
| Dell Powerstore Dsa2024158 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Apr 4, 2024 |
| Dell Powerstore Dsa2024225 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | May 29, 2024 |
| Gentoo Linux | — | Upgrade app-crypt/mit-krb5. | May 6, 2024 | Aug 7, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade krb5-serverUpgrade krb5Upgrade krb5-clientUpgrade krb5-libs | Jan 10, 2024 | Aug 7, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade krb5Upgrade krb5-libsUpgrade krb5-clientUpgrade krb5-server | Jan 10, 2024 | Aug 7, 2023 |
| Huawei Euleros 2_0_sp5 | — | Upgrade krb5-libsUpgrade libkadm5Upgrade krb5-serverUpgrade krb5-server-ldapUpgrade krb5-develUpgrade krb5-pkinitUpgrade krb5-workstation | Feb 12, 2024 | Aug 7, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade krb5-server-ldapUpgrade krb5-serverUpgrade krb5-workstationUpgrade krb5-libsUpgrade krb5-pkinitUpgrade libkadm5Upgrade krb5-devel | Jan 10, 2024 | Aug 7, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade krb5-serverUpgrade krb5-libsUpgrade krb5-clientUpgrade krb5 | Jan 10, 2024 | Aug 7, 2023 |
| Oracle_linux | — | Upgrade krb5-develUpgrade krb5-libsUpgrade libkadm5Upgrade krb5-pkinitUpgrade krb5-server-ldapUpgrade krb5-serverUpgrade krb5-workstation | Nov 16, 2023 | Aug 7, 2023 |
| Redhat_linux | — | Upgrade krb5-pkinit-debuginfoUpgrade krb5-pkinitUpgrade krb5-develUpgrade krb5-debuginfoUpgrade krb5-server-ldap-debuginfoUpgrade krb5-workstation-debuginfoUpgrade libkadm5-debuginfoUpgrade krb5-server-ldapUpgrade krb5-workstationUpgrade libkadm5Upgrade krb5-libsUpgrade krb5-libs-debuginfoUpgrade krb5-debugsourceUpgrade krb5-serverUpgrade krb5-server-debuginfo | Nov 8, 2023 | Aug 7, 2023 |
| Rocky_linux | — | Upgrade krb5-serverUpgrade krb5-libsUpgrade krb5-server-debuginfoUpgrade krb5-libs-debuginfoUpgrade krb5-pkinit-debuginfoUpgrade krb5-workstation-debuginfoUpgrade krb5-pkinitUpgrade libkadm5Upgrade krb5-server-ldap-debuginfoUpgrade krb5-debugsourceUpgrade krb5-develUpgrade krb5-debuginfoUpgrade krb5-server-ldapUpgrade krb5-workstationUpgrade libkadm5-debuginfo | Jun 1, 2026 | May 28, 2026 |
| Suse | — | Upgrade krb5-clientUpgrade krb5-develUpgrade krb5-devel-32bitUpgrade krb5-serverUpgrade krb5-32bitUpgrade krb5-plugin-preauth-otpUpgrade krb5-plugin-kdb-ldapUpgrade krb5Upgrade krb5-plugin-preauth-spakeUpgrade krb5-plugin-preauth-pkinitUpgrade krb5-doc | Aug 17, 2023 | Aug 7, 2023 |
| Ubuntu | — | Upgrade libkrb5-3 (Ubuntu Pro)Upgrade libkrb5support0 (Ubuntu Pro)Upgrade libkadm5clnt-mit12Upgrade libkdb5-7 (Ubuntu Pro)Upgrade libkadm5clnt-mit11 (Ubuntu Pro)Upgrade libkadm5srv-mit12Upgrade libkrb5support0Upgrade libk5crypto3Upgrade libkadm5srv-mit8 (Ubuntu Pro)Upgrade libgssrpc4 (Ubuntu Pro)Upgrade libkdb5-10Upgrade libkrb5-3Upgrade libkrad0 (Ubuntu Pro)Upgrade libgssapi-krb5-2Upgrade krb5-kdc-ldapUpgrade libgssrpc4Upgrade libkadm5clnt-mit11Upgrade krb5-otpUpgrade krb5-pkinit (Ubuntu Pro)Upgrade krb5-user (Ubuntu Pro)Upgrade libkdb5-9Upgrade libkrad0Upgrade libkadm5srv-mit11Upgrade libkdb5-8 (Ubuntu Pro)Upgrade libkadm5clnt-mit9 (Ubuntu Pro)Upgrade krb5-kdc (Ubuntu Pro)Upgrade krb5-otp (Ubuntu Pro)Upgrade libkadm5srv-mit9 (Ubuntu Pro)Upgrade krb5-kdc-ldap (Ubuntu Pro)Upgrade libgssapi-krb5-2 (Ubuntu Pro)Upgrade libk5crypto3 (Ubuntu Pro)Upgrade krb5-kdcUpgrade krb5-admin-serverUpgrade libkdb5-9 (Ubuntu Pro)Upgrade krb5-userUpgrade krb5-pkinitUpgrade krb5-admin-server (Ubuntu Pro)Upgrade libkadm5srv-mit11 (Ubuntu Pro) | Nov 2, 2023 | Aug 7, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Aug 7, 2023 |
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