Improper Access Control Affecting krb5 package, versions <1.12.1+dfsg-17


0.0
medium

Snyk CVSS

    Attack Complexity High
    Availability High

    Threat Intelligence

    EPSS 0.81% (82nd percentile)
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NVD
6.4 medium
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Red Hat
5 medium

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  • Snyk ID SNYK-DEBIAN9-KRB5-396174
  • published 19 Feb 2015
  • disclosed 19 Feb 2015

How to fix?

Upgrade Debian:9 krb5 to version 1.12.1+dfsg-17 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream krb5 package and not the krb5 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

The check_rpcsec_auth function in kadmin/server/kadm_rpc_svc.c in kadmind in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 allows remote authenticated users to bypass a kadmin/* authorization check and obtain administrative access by leveraging access to a two-component principal with an initial "kadmind" substring, as demonstrated by a "ka/x" principal.