[Snort-sigs] Sourcefire VRT Certified Snort Rules Update

research at ...435... research at ...435...
Tue Jan 8 18:26:27 EST 2008


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Sourcefire VRT Certified Snort Rules Update

Synopsis:
The Sourcefire VRT is aware of vulnerabilities affecting hosts using the Microsoft Windows operating system.

Details:
Microsoft Security Bulletin (MS08-001):
The Microsoft Windows operating system contains a programming error that may allow a remote attacker to execute code on an affected system.
It should be noted however, that the likelihood of this issue being actively exploited is minimal.

Shared object rules to detect attacks targeting this vulnerability are included in this release and are identified with GID 3 and SIDs 13287 and 13288.

For a complete list of new and modified rules please see:

http://www.snort.org/vrt/docs/ruleset_changelogs/changes-2008-01-08.html


IMPORTANT INFORMATION:
The structure of the "so_rules" directory inside the rule packages has changed.  The following is a break out of the new directory structure:

so_rules/
    src/
    precompiled/
           <distro>/
               <platform>/
                     <snort-version>

Where:
<distro> is one of the following values:
    a. CentOS-4.6
    b. CentOS-5.1
    c. FC-5
    d. OSX-10.4
    e. ubuntu-6.01.1

<platform> is one of the following values:
    a. i386

<snort-version> is one of the following values
    a. 2.6.1.5
    b. 2.7.0
    c. 2.8.0.1

There have been no changes to the src/ directory layout from previous packages.

The reason for this change is two fold.  The first reason for this is to better serve the snort community by pre-compiling the "SO" rules so they are easier to use on the various platforms utilized by the snort community and the VRT subscribers. Additionally due to contract terms with some 3rd party research organizations a small number of VRT certified rules will now only be delivered as binaries. This change is limited to shared object rules. Non-SO rules will not be affected.

If your platform / distro is not currently listed above this does not
mean these shared objects won't work on your platform.  Numerous Linux
distributions share common libc versions and it is possible that one of the above distributions and platforms will work on your system.  If none of the above combinations work on your platform please send a note to the snort-sigs mailing list so we can gage the need for additional platforms and distributions to be added to the list of supported platforms.

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