Double Free Affecting krb5 package, versions <1.4.4-8


Severity

0.0
high
0
10

    Threat Intelligence

    EPSS
    14.97% (96th percentile)

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  • Snyk ID SNYK-DEBIAN10-KRB5-396009
  • published 6 Apr 2007
  • disclosed 6 Apr 2007

How to fix?

Upgrade Debian:10 krb5 to version 1.4.4-8 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:10 relevant fixed versions and status.

Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".

References

CVSS Scores

version 3.1
Expand this section

Snyk

8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

NVD

8.8 high