CVE-2010-4021

Home/CVE/The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials

CVE

The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 does not properly restrict the use of TGT credentials

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.".

LOW · CVSS 2.1 EPSS 0.0047

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

mit kerberos 5all versions

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Scoring & Timeline

2.1

LOW · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:H/Au:S/C:N/I:P/A:N

Published to NVD02 Dec 2010 · 04:22 PM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10004-1

usnUSN-1030-1

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://kb.vmware.com/kb/1035108

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://lists.vmware.com/pipermail/security-announce/2011/000133.html

http://osvdb.org/69607

Show all 17 references

http://support.apple.com/kb/HT4581

http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txtVendor Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2010:246

http://www.securityfocus.com/archive/1/514953/100/0/threaded

http://www.securityfocus.com/archive/1/517739/100/0/threaded

http://www.securityfocus.com/bid/45122

http://www.securitytracker.com/id?1024803

http://www.ubuntu.com/usn/USN-1030-1

http://www.vmware.com/security/advisories/VMSA-2011-0007.html

http://www.vupen.com/english/advisories/2010/3094

http://www.vupen.com/english/advisories/2010/3118

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