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MEDIUM

tomcat6 Information disclosure in authentication classes

Published Jun 5, 2009

Description

Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18, when FORM authentication is used, allows remote attackers to enumerate valid usernames via requests to /j_security_check with malformed URL encoding of passwords, related to improper error checking in the (1) MemoryRealm, (2) DataSourceRealm, and (3) JDBCRealm authentication realms, as demonstrated by a % (percent) value for the j_password parameter.

Affected products

Remediation

No remediation recorded yet.

Metrics

References (74)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jun 5, 2009
Updated Aug 7, 2024
Reserved Feb 13, 2009
NVD
Status Modified
Modified Jun 16, 2026
Red Hat
Severity Low
Public date Jun 3, 2009
GHSA-W227-XCFX-3PJ8