Vulnerability Monitor

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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."

Published

2010-12-02T16:22:21.240

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.1 (LOW)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-16
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mit kerberos_5 1.7 Yes
References