Vulnerability in Mit Kerberos 5
CVE-2010-4021
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."
EPSS: 0.021 (79.7th percentile) — read the EPSS interpretation.
Affected products
- Mit Kerberos_5 — versions 1.7
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (vendor-advisory, x_refsource_MANDRIVA)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
- cve@mitre.org (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_OSVDB, vdb-entry)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (vendor-advisory, x_refsource_APPLE)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2010-4021?
- CVE-2010-4021 is a vulnerability in Mit Kerberos 5, classified under CWE-16. Published 2010-12-02.
- Is CVE-2010-4021 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.