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Details : SecurityAlert

  Topic : Apache Tomcat information disclosure vulnerability
  SecurityAlert : 4099
  CVE : CVE-2008-2370
  CWE : CWE-22
  SecurityRisk : Medium  alert  (About)
  Remote Exploit : Yes
  Local Exploit : No
  Victim interaction required : No
  Exploit Given : Yes
  Credit : Stefano Di Paola
  Published : 04.08.2008

  Affected Software : Apache Software Foundation, Tomcat, 4.1
Apache Software Foundation, Tomcat, 4.1.0
Apache Software Foundation, Tomcat, 4.1.1
Apache Software Foundation, Tomcat, 4.1.10
Apache Software Foundation, Tomcat, 4.1.12
Apache Software Foundation, Tomcat, 4.1.15
Apache Software Foundation, Tomcat, 4.1.2
Apache Software Foundation, Tomcat, 4.1.24
Apache Software Foundation, Tomcat, 4.1.28
Apache Software Foundation, Tomcat, 4.1.3
Apache Software Foundation, Tomcat, 4.1.31
Apache Software Foundation, Tomcat, 4.1.32
Apache Software Foundation, Tomcat, 4.1.34
Apache Software Foundation, Tomcat, 4.1.36
Apache Software Foundation, Tomcat, 4.1.37
Apache Software Foundation, Tomcat, 5.5.0
Apache Software Foundation, Tomcat, 5.5.1
Apache Software Foundation, Tomcat, 5.5.10
Apache Software Foundation, Tomcat, 5.5.11
Apache Software Foundation, Tomcat, 5.5.12
Apache Software Foundation, Tomcat, 5.5.13
Apache Software Foundation, Tomcat, 5.5.14
Apache Software Foundation, Tomcat, 5.5.15
Apache Software Foundation, Tomcat, 5.5.16
Apache Software Foundation, Tomcat, 5.5.17
Apache Software Foundation, Tomcat, 5.5.18
Apache Software Foundation, Tomcat, 5.5.19
Apache Software Foundation, Tomcat, 5.5.2
Apache Software Foundation, Tomcat, 5.5.20
Apache Software Foundation, Tomcat, 5.5.21
Apache Software Foundation, Tomcat, 5.5.22
Apache Software Foundation, Tomcat, 5.5.23
Apache Software Foundation, Tomcat, 5.5.24
Apache Software Foundation, Tomcat, 5.5.25
Apache Software Foundation, Tomcat, 6.0
Apache Software Foundation, Tomcat, 6.0.0
Apache Software Foundation, Tomcat, 6.0.1
Apache Software Foundation, Tomcat, 6.0.10
Apache Software Foundation, Tomcat, 6.0.11
Apache Software Foundation, Tomcat, 6.0.12
Apache Software Foundation, Tomcat, 6.0.13
Apache Software Foundation, Tomcat, 6.0.14
Apache Software Foundation, Tomcat, 6.0.15
Apache Software Foundation, Tomcat, 5.5.26
Apache Software Foundation, Tomcat, 6.0.16



  Advisory Text :  

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

CVE-2008-2370: Apache Tomcat information disclosure vulnerability

Severity: Important

Vendor:
The Apache Software Foundation

Versions Affected:
Tomcat 4.1.0 to 4.1.37
Tomcat 5.5.0 to 5.5.26
Tomcat 6.0.0 to 6.0.16
The unsupported Tomcat 3.x, 4.0.x and 5.0.x versions may be also affected

Description:
When using a RequestDispatcher the target path was normalised before the
query string was removed. A request that included a specially crafted
request parameter could be used to access content that would otherwise be
protected by a security constraint or by locating it in under the WEB-INF
directory.

Mitigation:
6.0.x users should upgrade to 6.0.18
5.5.x users should obtain the latest source from svn or apply this patch
which will be included from 5.5.27
http://svn.apache.org/viewvc?rev=680949&view=rev
4.1.x users should obtain the latest source from svn or apply this patch
which will be included from 4.1.38
http://svn.apache.org/viewvc?rev=680950&view=rev

Example:
For a page that contains:
<%
pageContext.forward("/page2.jsp?somepar=someval&par="+request.getParamet
er("blah"));
%>
an attacker can use:
http://host/page.jsp?blah=/../WEB-INF/web.xml

Credit:
This issue was discovered by Stefano Di Paola of Minded Security Research
Labs.

References:
http://tomcat.apache.org/security.html

Mark Thomas
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Version: GnuPG v1.4.9 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAkiTGGkACgkQb7IeiTPGAkNeQACdHk1KQ98Dx45Sc+Hslw/YIBH7
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-----END PGP SIGNATURE-----



  References :

http://www.securityfocus.com/bid/30494
http://www.securityfocus.com/archive/1/archive/1/495022/100/0/threaded
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-5.html
http://tomcat.apache.org/security-4.html



  Feedback :

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