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CVE-2016-3120

Description

The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request.

Risk Information

Base Score
6.5
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
3.262

Associated Vulnerability

VulnerabilityOS Platform
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-32bit-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-client-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-client-debuginfo-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-debuginfo-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-debuginfo-32bit-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Desktop 12-SP1 ) krb5-debugsource-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-doc-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-plugin-kdb-ldap-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-plugin-kdb-ldap-debuginfo-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-plugin-preauth-otp-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-plugin-preauth-otp-debuginfo-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-plugin-preauth-pkinit-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-plugin-preauth-pkinit-debuginfo-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-server-1.12.1-36.4.x86_64.rpmLinux
SUSE-SU-2016:2136-1(SUSE Linux Enterprise Server 12-SP1 ) krb5-server-debuginfo-1.12.1-36.4.x86_64.rpmLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234