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CVE-2009-0580

CVE-2009-0580

EPSS 94.4%
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
n/a · n/a
public PoCs found — 1
exploitdbwww.exploit-db.com/exploits/33023unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://lists.apple.com/archives/security-announce/2010//Mar/msg00001.htmlhttp://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlhttp://marc.info/?l=bugtraq&m=127420533226623&w=2http://marc.info/?l=bugtraq&m=129070310906557&w=2http://marc.info/?l=bugtraq&m=133469267822771&w=2http://marc.info/?l=bugtraq&m=136485229118404&w=2http://secunia.com/advisories/35326http://secunia.com/advisories/35344http://secunia.com/advisories/35685http://secunia.com/advisories/35788http://secunia.com/advisories/37460http://secunia.com/advisories/42368