CVE-2009-0580

Published: 05 June 2009

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.

Priority

Low

Status

Package Release Status
tomcat5
Launchpad, Ubuntu, Debian
Upstream Needs triage

tomcat5.5
Launchpad, Ubuntu, Debian
Upstream Needs triage

Patches:
Upstream: http://svn.apache.org/viewvc?view=rev&revision=781379
tomcat6
Launchpad, Ubuntu, Debian
Upstream
Released (6.0.20)
Patches:
Upstream: http://svn.apache.org/viewvc?view=rev&revision=747840