NULL pointer dereference in Kerberos 5 - CVE-2018-5729

 

NULL pointer dereference in Kerberos 5 - CVE-2018-5729

Published: March 14, 2018 / Updated: March 14, 2018


Vulnerability identifier: #VU11080
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5729
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: MIT
Affected software:
Kerberos 5

Detailed vulnerability description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to NULL pointer dereference. A local attacker can add crafted principals to the Lightweight Directory Access Protocol (LDAP) database and cause the service to crash.

How to mitigate CVE-2018-5729

Install update from vendor's website.

Sources