29536 : Apache Tcl mod_tcl set_var Function Remote Format String
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Oct 13, 2006

Discovery

Aug 16, 2006

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

A remote format string vulnerability exists in mod_tcl for the Apache HTTP server. There are format string errors in tcl_cmds.c and tcl_core.c when calling the "set_var()" with user supplied input. With a specially crafted request, an attacker can cause the execution of arbitrary code.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Technical

An attacker must know the location of a tcl script that is configured to use the vulnerable module in order to exploit this vulnerability.

Solution

Upgrade to version 1.0.1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Apache Software Foundation

mod_tcl

1.0

References

CVE ID: 2006-4154 (see also: NVD)
Bugtraq ID: 20527
Secunia Advisory ID: 22458 22549
ISS X-Force ID: 29550
FrSIRT Advisory: ADV-2006-4033
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2006-10/0225.html
Other Advisory URL: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=421
http://www.gentoo.org/security/en/glsa/glsa-200610-12.xml
Vendor URL: http://tcl.apache.org/

Tools & Filters

Nessus	22915

Credit

Sparfell -

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