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Date: Sat, 05 Feb 2011 02:05:28 +0000 From: Mark Thomas <markt@...che.org> To: Tomcat Users List <users@...cat.apache.org> Cc: Tomcat Developers List <dev@...cat.apache.org>, full-disclosure@...ts.grok.org.uk, announce@...cat.apache.org, bugtraq@...urityfocus.com, announce@...che.org Subject: [SECURITY] Oracle JVM bug causes denial of service in Apache Tomcat -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 The original report is [1]. Tomcat is affected when accessing a form based security constrained page or any page that calls javax.servlet.ServletRequest.getLocale() or javax.servlet.ServletRequest.getLocales(). Work-arounds have been implemented in the following versions: - - 7.0.8 (released) - - 6.0.32 (released) - - 5.5.33 (released expected Monday 7 Feb 2011) All users are recommended to upgrade to a Tomcat version with the work-around. Users unable to upgrade can filter malicious requests via a Servlet filter, an httpd re-write rule (if Tomcat is behind an httpd reverse proxy) or other filtering as available. Accept-Language headers that are compliant with RFC 2616 can not trigger this bug. Therefore, filtering out all request with non-compliant headers will provide protection against the DOS vulnerability. The Apache Tomcat Security Team [1] http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJNTLBnAAoJEBDAHFovYFnnk0IQAOB6xo9/wEqckNzq/MUxfxH8 c131gJ0XcMktGZ7x7A2/SgG/oIfl5B4q78EujtPwHsy8XS9XRKCdJtOz8Ak67zb7 z6UhB+ha2R0fgzJoesZeBiHyH4vymB8izF9npnDuFv+Gij7K08mu5bERMCNNQftc +/0a7I2QD/K5YoqkYW/1RLwWhrbAXmjE8ysmnTtgfemRxmGL971bx8+9+l9JmGpm unP+yVYpKNnGXNUSNuL9C0oka2iCzkrPW0UplZyyMsB2iiuKetYESL9KR1rEvxA6 OL4FmS0OxzyPO0UwXFd6qJxc6L2BaWLdhyu7Qp/WnWDFsPDdGa7J87i4WeMsNb2D GYk+9TNV4S2QOCK1dFuARvCY74QykuthBEUHmCJUOT5fUt3NtGXjMTvBTWZUGIbg Eqe5nfGxLB2ZcimWoYUKoYJe31/DY8lBFVPl4KVIUlcQ0RLjnE7JqbSey8ZrHZ4o FY9ZA74ndDUjEaJpwgRVHN6FO7Sts+wDPATYZVvO3lPb0pzwGTBFPAcSiysqbiJT njwUBWfz5e7cpXpHvCPyh0PGY6giHticXplhKsq9M/ZK1G6ZzFXbBwlACUfLGFK7 Pt4af26arAlcoapJ0PG8AXGPZLztzLVR1jaNBJ9900gIZ/OI5cmZ9n23l0viTtEf v/8kgZ+3uv6vRb3+wrXH =oxMp -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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