CVE-2003-0138
HighSummary
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.
Risk Assessment
This vulnerability may lead to unauthorized access to network resources, posing a significant security threat to the organization.
Recommendation
It is recommended to upgrade to a newer version of the Kerberos protocol that addresses this vulnerability and to implement additional security measures.
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Original NVD description (English source)
Version 4 of the Kerberos protocol (krb4), as used in Heimdal and other packages, allows an attacker to impersonate any principal in a realm via a chosen-plaintext attack.