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| Rule General Information |
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| Release Date: | 2016-08-22 | |
| Rule Name: | EXPLOIT MIT Kerberos 5 KDC Null Pointer Dereference Vulnerability (CVE-2016-3120) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | The validate_as_request function in kdc_util.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.13.6 and 1.4.x before 1.14.3, when restrict_anonymous_to_tgt is enabled, uses an incorrect client data structure, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an S4U2Self request. | |
| Impact: | An attacker can launch a denial of service attack by exploiting the vulnerability successfully. | |
| Affected OS: | Windows | |
| Reference: | SecurityFocusBID:92132 |
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| Solutions |
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| More advisories have been published on the website, please visit for more suggestions: https://github.com/krb5/krb5/commit/93b4a6306a0026cf1cc31ac4bd8a49ba5d034ba7 |