Input validation error in Kerberos 5 - CVE-2011-0283
Published: February 10, 2011 / Updated: May 27, 2022
Vulnerability identifier: #VU45333
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-0283
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MIT
Affected software:
Kerberos 5
Kerberos 5
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (NULL pointer dereference and daemon crash) via a malformed request packet that does not trigger a response packet.
How to mitigate CVE-2011-0283
Install update from vendor's website.
Sources
- http://secunia.com/advisories/43260
- http://securityreason.com/securityalert/8073
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txt
- http://www.securityfocus.com/archive/1/516299/100/0/threaded
- http://www.securityfocus.com/bid/46272
- http://www.securitytracker.com/id?1025037
- http://www.vupen.com/english/advisories/2011/0330