CVE-2010-4021

MIT Kerberos 5 1.7 - Authenticated Client Impersonation via KrbFastReq Forgery

Title source: llm
STIX 2.1

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."

References (17)

Core 17
Core References
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/514953/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/45122
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/3094
Various Sources x_refsource_confirm
http://kb.vmware.com/kb/1035108
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/3118
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/69607
Mailing List vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
Various Sources mailing-list x_refsource_mlist
http://lists.vmware.com/pipermail/security-announce/2011/000133.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1024803
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/517739/100/0/threaded
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-1030-1
Vendor Advisory x_refsource_confirm
http://support.apple.com/kb/HT4581

Scores

EPSS 0.0047
EPSS Percentile 64.8%

Details

CWE
CWE-16 CWE-264
Status published
Products (1)
mit/kerberos_5 1.7
Published Dec 02, 2010
Tracked Since Feb 18, 2026