HTTP: MIT Kerberos 5 kadmind KADM5_POLICY Denial of Service

This signature detects attempts to cause a denial-of-service (DoS) on MIT Kerberos 5 kadmind service. Successful exploitation will cause the kadmin service to terminate.

Extended Description

The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.

Affected Products

Mit kerberos_5

References

CVE: CVE-2015-8630

Short Name
HTTP:DOS:MIT-KERBEROS-5-POLICY
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
5 CVE-2015-8630 Denial KADM5_POLICY Kerberos MIT Service kadmind of
Release Date
02/11/2016
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3761
Port
TCP/749
False Positive
Unknown
Vendors

Mit

CVSS Score

5.0

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