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RE: Security Breach Alert - CVS Home File Download Area Compromised


From: Conrad T. Pino
Subject: RE: Security Breach Alert - CVS Home File Download Area Compromised
Date: Mon, 24 Jan 2005 15:37:38 -0800

 
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Hello All,

I've done a preliminary systematic check and here's
what I know so far:

1. The issue may be client platform specific.

2. Not all download areas are affected but I still
recommend considering the entire system suspect
until a complete determination is made.

Supporting specific details follow:
=======================================================
I'm seeing an issue using Windows 2000 SP4 + Updates
and Internet Explorer 6.0.2800.1106 and the symptoms
are as follows:

A. All sampled "*.gz.sig" will not download.

B. All sampled "*.gz" files start downloading with
the expected file size but the download reaches the
expected file size and then continues to a file size
much larger than expected.

The Mac OS X user who brought the issue to light has
different symptoms:

a. The sampled "*.gz.sig" will not download.

b. The sampled "*.gz" files download with correct size
and the MD5 hashes agree with my reference copy.

The Mac OS X sample size is likely just a single file.
=======================================================
The Windows file download area appears unaffected so
far but I have NOT compared ALL files as yet.

I. All sampled (4) "*.zip.sig" files download and
compare to my reference copies correctly.

II. All sampled (4) "*.zip" files download and
compare to my reference copies correctly.

Although the Windows download area appears unaffected
so far I still recommend caution.
=======================================================
The Solaris i386 and Mac OS X binary are affected as
follows:

i. The 8 sampled files "*.gz.sig" will not download.

ii. The 8 sampled files "*.gz" files start downloading
with the expected file size but the download reaches
the expected file size and then continues to a file
size much larger than expected.
=======================================================
The AIX, HP, SIG and Solaris SPARC download areas are
similar to Solaris i386 and Mac OS X areas as follows:

There are no "*.gz.sig" files to verify.

The 4 sampled files "*.gz" files start downloading with
the expected file size but the download reaches the
expected file size and then continues to a file size
much larger than expected.
=======================================================
Best regards,

Conrad T. Pino

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