CVE-2010-4021
N/A
Published: December 2, 2010 at 04:00 PM UTC
Updated: June 16, 2026 at 11:23 PM UTC
1 product affected across 1 vendorKerberos 5
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Severity
N/A
Exploit prediction
EPSS 2%
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."
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.html
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:246
References (17)
Vendor Advisoryx_refsource_APPLE
Source: [email protected]
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.htmlVendor Advisoryx_refsource_SUSE
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.htmlMailing Listx_refsource_MLIST
Source: [email protected]
http://lists.vmware.com/pipermail/security-announce/2011/000133.htmlx_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txtQuick Info
StatusMODIFIED
CWE
CWE-16CWE-264
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