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TITLE:
Chilkat HTTP ActiveX Component ActiveX Controls "SaveLastError()"
Insecure Method

SECUNIA ADVISORY ID:
SA29581

VERIFY ADVISORY:
http://secunia.com/advisories/29581/

CRITICAL:
Less critical

IMPACT:
Manipulation of data

WHERE:
>From remote

SOFTWARE:
Chilkat HTTP ActiveX Component 2.x
http://secunia.com/product/18133/

DESCRIPTION:
shinnai has discovered a vulnerability in Chilkat HTTP ActiveX
Component, which can be exploited by malicious people to overwrite
arbitrary files.

The vulnerability is caused due to the ChilkatHttp.ChilkatHttp.1 and
ChilkatHttp.ChilkatHttpRequest.1 ActiveX controls (ChilkatHttp.dll)
including the insecure "SaveLastError()" method. This can be
exploited to overwrite and corrupt arbitrary files in the system in
the context of the currently logged-on user.

The vulnerability is confirmed in ChilkatHttp.dll version 2.4.0.0 and
reported in version 2.3. Other versions may also be affected.

SOLUTION:
Set the kill-bit for the affected ActiveX controls.

PROVIDED AND/OR DISCOVERED BY:
shinnai

ORIGINAL ADVISORY:
http://www.shinnai.altervista.org/index.php?mod=02_Forum&group=Security&argument=Remote_performed_exploits&topic=1207033569.ff.php

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About:
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