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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.
oval:org.mitre.oval:def:9101
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.
Family:
unix
Status:
ACCEPTED
Platform(s):
- CentOS Linux 5
- Oracle Linux 5
- Red Hat Enterprise Linux 5
Class:
vulnerability
Reference(s):
- CVE-2009-0580
Product(s):