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Secunia Security Advisory 32540

Secunia Security Advisory 32540
Posted Nov 5, 2008
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Shennan Wang has reported a vulnerability in U-Mail, which can be exploited by malicious users to bypass certain security restrictions and potentially compromise a vulnerable system.

tags | advisory
MD5 | 5bd2a1efa2a8780966fe47fb3839ae39

Secunia Security Advisory 32540

Change Mirror Download
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Do you need accurate and reliable IDS / IPS / AV detection rules?

Get in-depth vulnerability details:
http://secunia.com/binary_analysis/sample_analysis/

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TITLE:
U-Mail "edit.php" Arbitrary File Creation Vulnerability

SECUNIA ADVISORY ID:
SA32540

VERIFY ADVISORY:
http://secunia.com/advisories/32540/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass, System access

WHERE:
>From remote

SOFTWARE:
U-Mail 4.x
http://secunia.com/advisories/product/20396/

DESCRIPTION:
Shennan Wang has reported a vulnerability in U-Mail, which can be
exploited by malicious users to bypass certain security restrictions
and potentially compromise a vulnerable system.

The vulnerability is caused due to an error within the "edit.php"
file while processing HTTP POST parameters. This can be exploited to
write arbitrary data to arbitrary files placed under the webroot via
specially crafted parameters.

Successful exploitation may allow execution of arbitrary code by e.g.
writing arbitrary PHP code to a file having a ".php" extension.

The vulnerability is reported in version 4.91. Other versions may
also be affected.

SOLUTION:
Restrict access to trusted users only.

PROVIDED AND/OR DISCOVERED BY:
Shennan Wang

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/6898

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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