>> MIT Kerberos "kadmind" Multiple Remote Code Execution and Denial of Service Issues
Title : MIT Kerberos "kadmind" Multiple Remote Code Execution and Denial of Service Issues VUPEN ID : VUPEN/ADV-2007-2337 CVE ID : CVE-2007-2442 - CVE-2007-2443 - CVE-2007-2798
Rated as : Critical
Remotely Exploitable : Yes Locally Exploitable : Yes Release Date : 2007-06-26
Technical Description
Multiple vulnerabilities have been identified in MIT Kerberos, which could be exploited by attackers to cause a denial of service or take complete control of an affected system.
The first issue is caused by an error in the "gssrpc__svcauth_gssapi()" [src/lib/rpc/svc_auth_gssapi.c] function when processing an RPC credential with a length of zero, which could be exploited by remote attackers to crash an affected application or execute arbitrary code.
The second vulnerability is caused by an integer conversion error in the "gssrpc__svcauth_unix()" [src/lib/rpc/svc_auth_unix.c] function when storing an unsigned integer obtained from "IXDR_GET_U_LONG" into a signed integer variable "str_len", which could be exploited by remote attackers to crash an affected application or execute arbitrary code.
The third issue is caused by a stack overflow error in the "rename_principal_2_svc()" [src/kadmin/server/server_stubs.c] function when concatenating the source and destination principal names with the string " to ", which could be exploited by a malicious user to crash an affected application or execute arbitrary code.
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