MIT Kerberos Security Vulnerability

MIT Kerberos is a Massachusetts Institute of Technology MIT software for authentication in network clusters.Kerberos also serves as a network authentication protocol designed to provide strong authentication services to client/server applications through a key system. A security vulnerability...

K000138461: MIT Kerberos 5 vulnerability CVE-2023-39975

Security Advisory Description kdc/dotgsreq.c in MIT Kerberos 5 aka krb5 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another. CVE-2023-39975 Impact There is no impact...

RHEL 8 : idm:DL1 (RHSA-2024:0137)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0137 advisory. Red Hat Identity Management IdM is a centralized authentication, identity management, and authorization solution for both traditional and...

Moderate: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for eac...

Oracle Linux 8 : idm:DL1 (ELSA-2024-0143)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-0143 advisory. - Resolves: 2242828 Invalid CSRF protection CVE-2023-5455 ipa-healthcheck opendnssec python-jwcrypto python-kdcproxy Tenable has extracted the precedin...

RHEL 8 : idm:DL1 (RHSA-2024:0143)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0143 advisory. Red Hat Identity Management IdM is a centralized authentication, identity management, and authorization solution for both traditional and...

January 9, 2024—KB5034127 (OS Build 17763.5329) - EXPIRED

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SUSE CVE-2023-39975

kdc/dotgsreq.c in MIT Kerberos 5 aka krb5 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another...

krb5 security and bug fix update

1.21.1-1.0.1 - Fixed race condition in krb5setpassword Orabug: 33609767 1.21.1-1 - New upstream version 1.21.1 - Fix double-free in KDC TGS processing CVE-2023-39975 - Add support for 'pacprivsvrenctype' KDB string attribute Resolves: rhbz2060421...

Moderate: krb5 security and bug fix update

Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the...

ALSA-2023:6699 Moderate: krb5 security and bug fix update

Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to authenticate to each other with the help of a trusted third party, the...

CVE-2023-5568 Samba: heap buffer overflow with freshness tokens in the heimdal kdc

A heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service...

Samba File Buffer Overflow Vulnerability (CVE-2023-5568)

Samba is prone to a buffer overflow vulnerability. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:samba:samba"; ifdescription...

krb5 bug fix update

An update is available for krb5. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Kerberos is a network authentication system, which can improve the security of...

CVE-2023-39975

A vulnerability was found in MIT krb5, where an authenticated attacker can cause a KDC to free the same pointer twice if it can induce a failure in authorization data handling...

Double Free

libkrb5.so is vulnerable to Double Free. The vulnerability exists due to a failure in authorization data handling in the dotgsreq.c, which allows an attacker to cause the Key Distribution Center KDC to free the same pointer twice when incorrect data is copied from one ticket to another...

CVE-2023-39975: Double Free

kdc/dotgsreq.c in MIT Kerberos 5 aka krb5 1.21 before 1.21.2 has a double free that is reachable if an authenticated user can trigger an authorization-data handling failure. Incorrect data is copied from one ticket to another...

FreeBSD : krb5 -- Double-free in KDC TGS processing (a6986f0f-3ac0-11ee-9a88-206a8a720317)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the a6986f0f-3ac0-11ee-9a88-206a8a720317 advisory. - This is a backport of the upstream fix for CVE-2023-39975: https://github.com/krb5/krb5/pull/1312...

krb5 -- Double-free in KDC TGS processing

The MIT krb5 Team reports: When issuing a ticket for a TGS renew or validate request, copy only the server field from the outer part of the header ticket to the new ticket. Copying the whole structure causes the encpart pointer to be aliased to the header ticket until krb5encrypttktpart is called...

Important: Red Hat Enhancement Advisory: krb5 bug fix update

An update for krb5 is now available for Red Hat Enterprise Linux 8. Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending passwords over the network in unencrypted form. It allows clients and servers to...