MIT Kerberos
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By the Year
In 2025 there have been 0 vulnerabilities in MIT Kerberos. Kerberos did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 0 | 0.00 |
| 2020 | 0 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 3 | 6.43 |
It may take a day or so for new Kerberos vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent MIT Kerberos Security Vulnerabilities
A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17
CVE-2018-20217
5.3 - Medium
- December 26, 2018
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.
assertion failure
An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16
CVE-2018-5709
7.5 - High
- January 16, 2018
An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. There is a variable "dbentry->n_key_data" in kadmin/dbutil/dump.c that can store 16-bit data but unknowingly the developer has assigned a "u4" variable to it, which is for 32-bit data. An attacker can use this vulnerability to affect other artifacts of the database as we know that a Kerberos database dump file contains trusted data.
Integer Overflow or Wraparound
An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16
CVE-2018-5710
6.5 - Medium
- January 16, 2018
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/libkdb_ldap/ldap_principal2.c in the Key Distribution Center (KDC), which allows remote authenticated users to cause a denial of service (NULL pointer dereference) via a modified kadmin client.
NULL Pointer Dereference
Buffer overflow in BSD-based telnetd telnet daemon on various operating systems
CVE-2001-0554
- August 14, 2001
Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute arbitrary commands via a set of options including AYT (Are You There), which is not properly handled by the telrcv function.
Classic Buffer Overflow
Buffer overflow in Kerberos 4 KDC program
CVE-2000-0546
- June 09, 2000
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the lastrealm variable in the set_tgtkey function.
Classic Buffer Overflow
Buffer overflow in Kerberos 4 KDC program
CVE-2000-0547
- June 09, 2000
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the localrealm variable in the process_v4 function.
Classic Buffer Overflow
Buffer overflow in Kerberos 4 KDC program
CVE-2000-0548
- June 09, 2000
Buffer overflow in Kerberos 4 KDC program allows remote attackers to cause a denial of service via the e_msg variable in the kerb_err_reply function.
Classic Buffer Overflow
Kerberos 4 key servers
CVE-1999-0143
- February 21, 1996
Kerberos 4 key servers allow a user to masquerade as another by breaking and generating session keys.
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