CVE-2020-2002

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 ...

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 ...

Cisco Adaptive Security Appliances Software Licensing Issues Vulnerability

Cisco Adaptive Security Appliances Software ASA Software is a set of firewalls and network security platforms from the U.S. company Cisco Cisco. The platform provides highly secure access to data and network resources and other features. An authorization issue vulnerability exists in Cisco ASA...

CVE-2020-3125

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...

Denial Of Service (DoS)

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...

Moderate: Red Hat Bug Fix Advisory: krb5 bug fix update

Updated krb5 packages that fix one bug are now available for Red Hat Enterprise Linux 7. 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 an...

krb5: Reachable assertion in the KDC using S4U2Self requests

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...

UBUNTU-CVE-2018-16860

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, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name...

Denial Of Service (DoS)

Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third-party, the Key Distribution Center KDC. When a client attempts to use PKINIT to obtain credentials from the KDC, the client can specify, using ...

The vulnerability in the Key Distribution Center (KDC) of the Samba networking communication software package arises from errors during double clearing of the same memory segment. This allows a malicious actor to trigger a service failure.

The vulnerability in the Key Distribution Center KDC of the Samba networking interaction software package is related to an error that occurs during double garbage collection of the same memory block. This occurs when the Samba software package’s KDC is configured to use smart cards for...

python-kdcproxy denial of service vulnerability

python-kdcproxy is a WSGI module. A security vulnerability exists in python-kdcproxy versions prior to 0.3.2. A remote attacker can exploit this vulnerability by sending a specially crafted POST request to cause a denial of service...

DEBIAN-CVE-2018-20217

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...

UBUNTU-CVE-2018-20217

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...

Samba Denial of Service Vulnerability (CNVD-2019-08293)

Samba is a set of free software developed by the Samba team that enables UNIX series operating systems to connect to the SMB/CIFS network protocol of Microsoft Windows operating systems. The program supports sharing printers, transferring data files to each other, and so on. A denial-of-service...

DEBIAN-CVE-2018-16853

Samba from version 4.7.0 has a vulnerability that allows a user in a Samba AD domain to crash the KDC when Samba is built in the non-default MIT Kerberos configuration. With this advisory the Samba Team clarify that the MIT Kerberos build of the Samba AD DC is considered experimental. Therefore t...

GCHQ on Quantum Key Distribution

The UK's GCHQ delivers a brutally blunt assessment of quantum key distribution: QKD protocols address only the problem of agreeing keys for encrypting data. Ubiquitous on-demand modern services such as verifying identities and data integrity, establishing network sessions, providing access contro...

UBUNTU-CVE-2018-5710

An issue was discovered in MIT Kerberos 5 aka krb5 through 1.16. The pre-defined function "strlen" is getting a "NULL" string as a parameter value in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c in the Key Distribution Center KDC, which allows remote authenticated users to cause a denial of servi...

DEBIAN-CVE-2018-5710

An issue was discovered in MIT Kerberos 5 aka krb5 through 1.16. The pre-defined function "strlen" is getting a "NULL" string as a parameter value in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c in the Key Distribution Center KDC, which allows remote authenticated users to cause a denial of servi...

UBUNTU-CVE-2017-17439

In Heimdal through 7.4, remote unauthenticated attackers are able to crash the KDC by sending a crafted UDP packet containing empty data fields for client name or realm. The parser would unconditionally dereference NULL pointers in that case, leading to a segmentation fault. This is related to th...