[SA20992] TWiki Multiple File Extensions File Upload Vulnerability

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[Message Precedent sur la mailing][Message Suivant sur la mailing][Precedent dans le fil][Prochain dans le fil][Index par Date][Index par fil] [SA20992] TWiki Multiple File Extensions File Upload Vulnerability

Hardcore Disassembler / Reverse Engineer Reversing must be a passion as your skills will be challenged on a daily basis and you will be working several hours everyday in IDA, Ollydbg, and with BinDiff. Often, it is also required that you write a PoC or even a working exploit to prove that an issue is exploitable.

link://[click]

TITLE: TWiki Multiple File Extensions File Upload Vulnerability

SECUNIA ADVISORY ID: SA20992

VERIFY ADVISORY: link://[click]

CRITICAL: Highly critical

IMPACT: System access

WHERE: From remote SOFTWARE: TWiki link://[click]

DESCRIPTION: A vulnerability has been reported in TWiki, which potentially can be exploited by malicious people to compromise a vulnerable system.

The vulnerability is caused due to an error in the handling of file uploads where a filename has multiple file extensions. This can be exploited to upload malicious script files inside the pub directory (e.g. a PHP script).

Successful exploitation may allow execution of script code depending on the HTTP server configuration (it requires e.g. an Apache server with the "mod_mime" module installed).

The vulnerability has been reported in the following releases: * TWikiRelease04x00x03 * TWikiRelease04x00x02 * TWikiRelease04x00x01 * TWikiRelease04x00x00 * TWikiRelease04Sep2004 * TWikiRelease03Sep2004 * TWikiRelease02Sep2004 * TWikiRelease01Sep2004 * TWikiRelease01Feb2003 * TWikiRelease01Dec2001 * TWikiRelease01Dec2000 SOLUTION: Apply patch (see original advisory).

Update to TWikiRelease04x00x04.

link://[click] PROVIDED AND/OR DISCOVERED BY: The vendor credits Tom McAdam.

ORIGINAL ADVISORY: link://[click]

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

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Secunia does not advise people to install third party patches, only use those supplied by the vendor.

Precedent par Date: [SA20970] Mico "set_answer_invoke()" Denial of Service Vulnerability
Suivant par Date: [SA20965] Red Hat update for kernel
Precedent par fil : [SA20970] Mico "set_answer_invoke()" Denial of Service Vulnerability
Suivant par fil : [SA20965] Red Hat update for kernel
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