Vulnerability Monitor

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CVE-2013-1417


do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.


Published

2013-11-20T14:12:44.960

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 3.5 (LOW)

CVSSv2 Vector

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

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

6.8

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mit kerberos_5 1.11 Yes
Application mit kerberos_5 1.11.1 Yes
Application mit kerberos_5 1.11.2 Yes
Application mit kerberos_5 1.11.3 Yes

References