CVE-2021-37750
Description
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.18.5 and 1.19.x before 1.19.3 has a NULL pointer dereference in kdc/do_tgs_req.c via a FAST inner body that lacks a server field.
Risk Information
Base Score
6.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.716
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| (RHSA-2021:3576) krb5 security update krb5-debugsource-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-debugsource-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-devel-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-devel-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-libs-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-libs-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-pkinit-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-pkinit-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-server-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-server-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-server-ldap-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-server-ldap-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update krb5-workstation-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:3576) krb5 security update libkadm5-1.18.2-8.3.el8_4.i686.rpm | Linux |
| (RHSA-2021:3576) krb5 security update libkadm5-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Krb5-devel update (ELSA-2021-3576) krb5-devel-1.18.2-8.3.el8_4.i686.rpm | Linux |
| Krb5-devel update (ELSA-2021-3576) krb5-devel-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Krb5-libs update (ELSA-2021-3576) krb5-libs-1.18.2-8.3.el8_4.i686.rpm | Linux |
| Krb5-libs update (ELSA-2021-3576) krb5-libs-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Krb5-pkinit update (ELSA-2021-3576) krb5-pkinit-1.18.2-8.3.el8_4.i686.rpm | Linux |
| Krb5-pkinit update (ELSA-2021-3576) krb5-pkinit-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Krb5-server update (ELSA-2021-3576) krb5-server-1.18.2-8.3.el8_4.i686.rpm | Linux |
| Krb5-server update (ELSA-2021-3576) krb5-server-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Krb5-server-ldap update (ELSA-2021-3576) krb5-server-ldap-1.18.2-8.3.el8_4.i686.rpm | Linux |
| Krb5-server-ldap update (ELSA-2021-3576) krb5-server-ldap-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Krb5-workstation update (ELSA-2021-3576) krb5-workstation-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| Libkadm5 update (ELSA-2021-3576) libkadm5-1.18.2-8.3.el8_4.i686.rpm | Linux |
| Libkadm5 update (ELSA-2021-3576) libkadm5-1.18.2-8.3.el8_4.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-devel-1.15.1-51.el7_9.i686.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-devel-1.15.1-51.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-libs-1.15.1-51.el7_9.i686.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-libs-1.15.1-51.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-pkinit-1.15.1-51.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-server-1.15.1-51.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-server-ldap-1.15.1-51.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update krb5-workstation-1.15.1-51.el7_9.x86_64.rpm | Linux |
| (RHSA-2021:4788) krb5 security update libkadm5-1.15.1-51.el7_9.i686.rpm | Linux |
| (RHSA-2021:4788) krb5 security update libkadm5-1.15.1-51.el7_9.x86_64.rpm | Linux |
| Krb5-devel update (ELSA-2021-4788) krb5-devel-1.15.1-51.0.1.el7_9.i686.rpm | Linux |
| Krb5-devel update (ELSA-2021-4788) krb5-devel-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| Krb5-libs update (ELSA-2021-4788) krb5-libs-1.15.1-51.0.1.el7_9.i686.rpm | Linux |
| Krb5-libs update (ELSA-2021-4788) krb5-libs-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| Krb5-pkinit update (ELSA-2021-4788) krb5-pkinit-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| Krb5-server update (ELSA-2021-4788) krb5-server-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| Krb5-server-ldap update (ELSA-2021-4788) krb5-server-ldap-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| Krb5-workstation update (ELSA-2021-4788) krb5-workstation-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| Libkadm5 update (ELSA-2021-4788) libkadm5-1.15.1-51.0.1.el7_9.i686.rpm | Linux |
| Libkadm5 update (ELSA-2021-4788) libkadm5-1.15.1-51.0.1.el7_9.x86_64.rpm | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc_1.16-2ubuntu0.4_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc_1.16-2ubuntu0.4_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc_1.17-6ubuntu4.3_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc_1.17-6ubuntu4.3_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-k5tls_1.16-2ubuntu0.4_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-k5tls_1.16-2ubuntu0.4_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-k5tls_1.17-6ubuntu4.3_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-k5tls_1.17-6ubuntu4.3_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-pkinit_1.16-2ubuntu0.4_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-pkinit_1.16-2ubuntu0.4_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-pkinit_1.17-6ubuntu4.3_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-pkinit_1.17-6ubuntu4.3_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc-ldap_1.16-2ubuntu0.4_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc-ldap_1.16-2ubuntu0.4_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc-ldap_1.17-6ubuntu4.3_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-kdc-ldap_1.17-6ubuntu4.3_amd64.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-k5tls_1.17-6ubuntu4.3_i386.deb | Linux |
| MIT Kerberos Network Authentication Protocol (USN-5959-1) krb5-k5tls_1.17-6ubuntu4.3_amd64.deb | Linux |
| NULL Pointer Dereference Vulnerability (CVE-2021-37750) | NCM |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234