Medium: krb5

Issue Overview: A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 aka krb5 before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type single-DES, triple-DES, or RC4, the attacker can crash the KDC by making an S4U2Self request.CVE-2018-20217 Affect...

Huawei EulerOS: Security Advisory for samba (EulerOS-SA-2020-1616)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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 ifdescription...

EulerOS 2.0 SP5 : samba (EulerOS-SA-2020-1616)

According to the version of the samba packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to,...

CVE-2020-2002

The CVE-2020-2002 entry affects Palo Alto Networks PAN-OS with an authentication bypass by spoofing the Kerberos KDC, enabling a MITM attacker to log in as an administrator by not verifying KDC integrity. Public sources in the connected documents specify affected PAN-OS versions: 7.1.x prior to 7...

CVE-2020-2002 PAN-OS: Spoofed Kerberos key distribution center authentication bypass

An authentication bypass by spoofing vulnerability exists in the authentication daemon and User-ID components of Palo Alto Networks PAN-OS by failing to verify the integrity of the Kerberos key distribution center KDC before authenticating users. This affects all forms of authentication that use ...

Arbitrary Code Execution

libraw is vulnerable to arbitrary code execution. The vulnerability exists as a boundary error within the "parsetiffifd" function internal/dcrawcommon.cpp in LibRaw versions before 0.18.2 can be exploited to cause a memory corruption via e.g. a specially crafted KDC file with model set to...

Authentication flaw

A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to impersonate the Kerberos key distribution center KDC and bypass authentication on an affected device that is configured to perform Kerberos...

CVE-2020-3125 Cisco Adaptive Security Appliance Software Kerberos Authentication Bypass Vulnerability

A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to impersonate the Kerberos key distribution center KDC and bypass authentication on an affected device that is configured to perform Kerberos...

Cisco Adaptive Security Appliance Software Kerberos Authentication Bypass Vulnerability

A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to impersonate the Kerberos key distribution center KDC and bypass authentication on an affected device that is configured to perform Kerberos...

CVE-2020-3125: Improper Authentication

A vulnerability in the Kerberos authentication feature of Cisco Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to impersonate the Kerberos key distribution center KDC and bypass authentication on an affected device that is configured to perform Kerberos...

Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2020-1467)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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 ifdescription...

Denial Of Service (DoS)

Kerberos is vulnerable to denial of service DoS.A NULL pointer dereference flaw was found in the way the MIT Kerberos KDC processed certain TGS Ticket-granting Server requests. A remote, authenticated attacker could use this flaw to crash the KDC via a specially-crafted TGS request...

Denial Of Service (DoS)

krb5 is vulnerabl eto denial of service. Multiple NULL pointer dereference and assertion failure flaws were found in the MIT Kerberos KDC when it was configured to use an LDAP Lightweight Directory Access Protocol or Berkeley Database Berkeley DB back end. A remote attacker could use these flaws ...

Denial Of Service (DoS)

krb5 is vulnerable to denial of service DoS. The vulnerability exists as multiple NULL pointer dereference and assertion failure flaws were found in the MIT Kerberos KDC when it was configured to use an LDAP Lightweight Directory Access Protocol or Berkeley Database Berkeley DB back end. A remote...

Denial Of Service (DoS)

krb5 is vulnerable to denial of service DoS. The vulnerability exists as a NULL pointer dereference flaw was found in the way the MIT Kerberos KDC processed principal names that were not null terminated, when the KDC was configured to use an LDAP back end. A remote attacker could use this flaw to...

Denial Of Service (DoS)

krb5 is vulnerable to denial of service DoS. The vulnerability exists through the way MIT Kerberos KDC processed certain principal names when the KDC was configured to use an LDAP back end. A remote attacker could use this flaw to cause the KDC to hang via a specially-crafted request...

Arbitary Code Execution

krb5 is vulnerable to arbitrary code execution. Multiple integer underflow flaws, leading to heap-based corruption, were found in the way the MIT Kerberos Key Distribution Center KDC decrypted ciphertexts encrypted with the Advanced Encryption Standard AES and ARCFOUR RC4 encryption algorithms. I...

CVE-2018-16853

Samba versions 4.7 and later, built with MIT Kerberos support, are vulnerable to a crash via the S4U2self extension. A user in a Samba Active Directory domain can crash the KDC when Samba is built in the non-default MIT Kerberos configuration...

EulerOS Virtualization for ARM 64 3.0.2.0 : krb5 (EulerOS-SA-2020-1192)

According to the versions of the krb5 packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - Double free vulnerability in MIT Kerberos 5 aka krb5 allows attackers to have unspecified impact via vectors involving...

Huawei EulerOS: Security Advisory for krb5 (EulerOS-SA-2019-2378)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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 ifdescription...