4884 : MIT Kerberos 5 krb425_conv_principal Function Remote Overflow
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Info

Last Modified
5 months ago

Percent Complete
100%

Disclosure
May 16, 2000

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 MIT Kerberos 5 contains a flaw that may allow buffer overflow. The issue is triggered by applications which require legacy Kerberos 4 authentication. It is possible that the flaw may allow an attacker to gain root access on affected machines resulting in a loss of confidentiality, integrity, and/or availability.

Classification

 Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

 Upgrade to version krb5-1.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
Cygnus
Watch-list
KerbNet
Watch-list
 5.0.x
Cygnus Network Security
Watch-list
 4.0.x
MIT
Watch-list
Kerberos 4
Watch-list
 4.0 patch 10
Kerberos 5
Watch-list
 5.0-1.0.x
5.0-1.1.1

References

Credit
  • Jeffrey I. Schiller - jisBrand New Doo Doomit.edu -
  • Jim Paris - jimBrand New Doo Doojtan.com -

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