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."
CVSS Details
- CVSS 3.1 Base Score: 8.1
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apple Osx Airport | — | Upgrade macOS to the latest versionApply OS X security update 2011-001Apply OS X security update 2011-004 | Aug 28, 2015 | Dec 2, 2010 |
| Apple Osx Kerberos | — | Upgrade macOS to the latest versionApply OS X security update 2011-001 | Dec 16, 2011 | Dec 2, 2010 |
| Debian | — | Upgrade krb5 | Jul 30, 2024 | Dec 2, 2010 |
| Freebsd | — | Upgrade krb5 | Dec 10, 2025 | Dec 9, 2010 |
| Gentoo Linux | — | Upgrade app-crypt/mit-krb5. | Oct 30, 2017 | Dec 2, 2010 |
| Oracle Solaris | — | Upgrade system/kernel/security/gss to version 0.5.11-0.175.1.11.0.3.2 on Solaris 11.1Upgrade consolidation/osnet/osnet-incorporation to version 0.5.11-0.175.2.0.0.42.2 on Solaris 11.2 | May 29, 2017 | Dec 2, 2010 |
| Suse | — | Upgrade krb5-x86Upgrade krb5-apps-serversUpgrade krb5-apps-clientsUpgrade krb5-32bitUpgrade krb5-plugin-preauth-spakeUpgrade krb5-develUpgrade krb5Upgrade krb5-plugin-preauth-otpUpgrade krb5-serverUpgrade krb5-docUpgrade krb5-plugin-preauth-pkinitUpgrade krb5-plugin-kdb-ldapUpgrade krb5-client | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade libkrb53Upgrade libkrb5-3 | Nov 8, 2024 | Dec 2, 2010 |
| Vmsa 2011 0007 | — | Upgrade VMware ESXi 4.1 to build number 381591Upgrade VMware ESX 4.1 to build number 381591 | May 12, 2011 | Apr 28, 2011 |
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