[NEWS] Adobe Macromedia ColdFusion MX7 Insecure File Permissions

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Adobe Macromedia ColdFusion MX7 Insecure File Permissions
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SUMMARY

<http://www.adobe.com/products/ColdFusion/ > ColdFusion is an application
server used to develop dynamically generated content based web sites. It
provides its own scripting language, ColdFusion Markup Language, that is
similar to JSP and PHP.

Local exploitation of an insecure file and directory permissions
vulnerability in Adobe Systems Inc.'s Macromedia ColdFusion MX 7 may allow
an attacker to execute code with root privileges.

DETAILS

Vulnerable Systems:
* ColdFusion MX version 7.0.2.142559 for Linux.
* (Previous versions may also be affected.)

A patch was recently released to fix the vulnerabilities referenced in the
Adobe Security Advisory APSB06-17. This patch was intended to correct
insecure file permissions of multiple files within the Verity
sub-directory of ColdFusion. Unfortunately, the patch archive creates an
additional vulnerability.

The vulnerability exists due to the directory permissions inside the
directory structure of the patch. The patch consists of an archive that is
meant to be extracted over the the current Verity directory. This archive
contains multiple files and directories that are world writable.

Exploitation of this vulnerability allows an attacker to execute code with
root privileges. In order to gain root privileges from this vulnerability
it is necessary to restart ColdFusion.

Workaround:
Change the permissions on the vulnerable scripts to be mode 0755.
Change the directory permissions of any 0777 permissions directories
located under {cf_root}/verity/k2 to be 0755.

Vendor Status:
Adobe Systems Inc. has addressed this vulnerability by releasing updated
archives. More information can be found in
<http://www.adobe.com/support/security/bulletins/apsb07-08.html> Adobe
Security Advisory APSB07-08.

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1874>
CVE-2007-1874

Vendor Status:
* 03/21/2007 - Initial vendor notification
* 03/23/2007 - Initial vendor response
* 04/10/2007 - Coordinated public disclosure


ADDITIONAL INFORMATION

The information has been provided by iDefense.
The original article can be found at:

<http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=510>
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=510



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