MIT Kerberos KDC "process_tgs_req()" Double Free Vulnerability
Last Update Date:
28 Jan 2011
Release Date:
22 Apr 2010
5414
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RISK: Medium Risk
A vulnerability has been identified in MIT Kerberos, which could be exploited by remote attackers to compromise a vulnerable system. This issue is caused by a double free error within the "process_tgs_req()" function when handling renewal or validation of existing tickets, which could allow attackers to crash an affected server or execute arbitrary code.
Impact
- Remote Code Execution
System / Technologies affected
- MIT Kerberos version krb5-1.7 and later
Solutions
Before installation of the software, please visit the software manufacturer web-site for more details.
Upgrade to krb5-1.8.2 or apply patch :
http://web.mit.edu/kerberos/advisories/2010-004-patch.txt
Vulnerability Identifier
Source
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