CVE-2010-4021
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:S/C:N/I:P/A:N
AI Score
Confidence
High
EPSS
Percentile
70.5%
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.”
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| mit | kerberos_5 | 1.7 | cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:* |
References
kb.vmware.com/kb/1035108
lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
lists.vmware.com/pipermail/security-announce/2011/000133.html
osvdb.org/69607
support.apple.com/kb/HT4581
web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
www.mandriva.com/security/advisories?name=MDVSA-2010:246
www.securityfocus.com/archive/1/514953/100/0/threaded
www.securityfocus.com/archive/1/517739/100/0/threaded
www.securityfocus.com/bid/45122
www.securitytracker.com/id?1024803
www.ubuntu.com/usn/USN-1030-1
www.vmware.com/security/advisories/VMSA-2011-0007.html
www.vupen.com/english/advisories/2010/3094
www.vupen.com/english/advisories/2010/3118
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:H/Au:S/C:N/I:P/A:N
AI Score
Confidence
High
EPSS
Percentile
70.5%