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Date: Fri, 24 Oct 2014 16:02:53 -0400 (EDT)
From: cve-assign@...re.org
To: abn@...hat.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: Duplicate Request: CVE-2013-4444 as a duplicate of CVE-2013-2185

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> Red Hat Product Security handled this issue as CVE-2013-2185

In cases of disputes about the validity of a vulnerability with
respect to a specific threat model, it's sometimes possible to have
multiple CVEs.

https://bugzilla.redhat.com/CVE-2013-2185 says:

> A remote attacker able to supply a serialized instance of the
> DiskFileItem class, which will be deserialized on a server, could use
> this flaw to write arbitrary content ...
> 
> The Apache Tomcat team does not agree that this is a valid security
> flaw; they contend that an application performing untrusted
> deserialization is inherently insecure.

This suggests a completely general case in which the serialized
instance could come from an arbitrary untrusted source in an
application-specific way. Apparently, from the perspective of the
Apache Tomcat maintainer, they are not interested in recognizing the
completely general case as a vulnerability. Thus, from their
perspective, there are no affected versions.

The CVE-2013-4444 section of http://tomcat.apache.org/security-7.html
discusses a much more specific threat model. From the perspective of
the Apache Tomcat maintainer, this is recognized as a vulnerability
with the affected versions of 7.0.0 through 7.0.39.

Both parties apparently agree that changes such as:

 -public interface FileItem extends Serializable, FileItemHeadersSupport {
 +public interface FileItem extends FileItemHeadersSupport {

should have occurred. However, there isn't agreement on exactly what
is the motivation for making the change.

- -- 
CVE assignment team, MITRE CVE Numbering Authority
M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]
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