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Improper Input Validation Affecting krb5 package, versions <1.9.1+dfsg-1

Severity

0.0
critical
0
10

    Threat Intelligence

    EPSS
    24.56% (97th percentile)

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  • Snyk ID SNYK-DEBIAN10-KRB5-395915
  • published 15 Apr 2011
  • disclosed 15 Apr 2011
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Introduced: 15 Apr 2011

CVE-2011-0285 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade Debian:10 krb5 to version 1.9.1+dfsg-1 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.

The process_chpw_request function in schpw.c in the password-changing functionality in kadmind in MIT Kerberos 5 (aka krb5) 1.7 through 1.9 frees an invalid pointer, which allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a crafted request that triggers an error condition.

References

CVSS Scores

version 3.1
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Snyk

9.8 critical
  • 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
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NVD

9.8 critical
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Red Hat

5.3 medium