Numeric Errors Affecting krb5 package, versions <1.6.dfsg.3~beta1-4


Severity

high

    Threat Intelligence

    EPSS
    60.19% (98th percentile)

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  • Snyk ID SNYK-DEBIAN10-KRB5-396091
  • published 19 Mar 2008
  • disclosed 19 Mar 2008

How to fix?

Upgrade Debian:10 krb5 to version 1.6.dfsg.3~beta1-4 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.

KDC in MIT Kerberos 5 (krb5kdc) does not set a global variable for some krb4 message types, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted messages that trigger a NULL pointer dereference or double-free.

References

CVSS Scores

version 3.1
Expand this section

Snyk

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

NVD

9.8 critical