cve/2010/CVE-2010-4021.md

CVE-2010-4021

Description

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials for armoring TGS requests, which might allow remote authenticated users to impersonate a client by rewriting an inner request, aka a "KrbFastReq forgery issue."

POC

Reference

• http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/blamhang/nopc