CVE-2010-4021
Summary
| CVE | CVE-2010-4021 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2010-12-02 16:22:21 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| 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." |
Risk And Classification
Primary CVSS: v2.0 2.1 from [email protected]
AV:N/AC:H/Au:S/C:N/I:P/A:N
Problem Types: CWE-16 | CWE-264 | n/a
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
HighAuthentication
SingleConfidentiality
NoneIntegrity
PartialAvailability
NoneAV:N/AC:H/Au:S/C:N/I:P/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Mit | Kerberos 5 | 1.7 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| SecurityFocus | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| MIT Kerberos 5 Key Distribution Center 'KrbFastReq' Forgery Security Bypass Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| VMSA-2011-0007 | af854a3a-2127-422b-91ae-364da2661108 | www.vmware.com | |
| SecurityFocus | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txt | af854a3a-2127-422b-91ae-364da2661108 | web.mit.edu | Vendor Advisory |
| APPLE-SA-2011-03-21-1 Mac OS X v10.6.7 and Security Update 2011-001 | af854a3a-2127-422b-91ae-364da2661108 | lists.apple.com | |
| VMware KB: VMware ESXi 4.1 Patch ESXi410-201104401-SG: Updates Firmware | af854a3a-2127-422b-91ae-364da2661108 | kb.vmware.com | |
| osvdb.org/69607 | af854a3a-2127-422b-91ae-364da2661108 | osvdb.org | |
| Webmail : Solution de messagerie professionnelle - OVHcloud- OVH | af854a3a-2127-422b-91ae-364da2661108 | www.vupen.com | |
| Support / Security / Advisories / / MDVSA-2010:246 | Mandriva | af854a3a-2127-422b-91ae-364da2661108 | www.mandriva.com | |
| MIT Kerberos Checksum Handling Errors May Let Remote or Remote Authenticated Users Forge/Modify Certain Data - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| [security-announce] SUSE Security Summary Report: SUSE-SR:2010:023 | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Webmail : Solution de messagerie professionnelle - OVHcloud- OVH | af854a3a-2127-422b-91ae-364da2661108 | www.vupen.com | |
| USN-1030-1: Kerberos vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| About the security content of Mac OS X v10.6.7 and Security Update 2011-001 | af854a3a-2127-422b-91ae-364da2661108 | support.apple.com | |
| [security-announce] SUSE Security Summary Report: SUSE-SR:2010:024 | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| [Security-announce] VMSA-2011-0007 VMware ESXi and ESX Denial of Service and third party updates for Likewise components and ESX Service Console | af854a3a-2127-422b-91ae-364da2661108 | lists.vmware.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.