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Vulnerability of Embarcadero Delphi: buffer overflow of VCL

Synthesis of the vulnerability 

An attacker can generate a buffer overflow in the VCL library of Embarcadero Delphi, in order to trigger a denial of service, and possibly to execute code.
Vulnerable software: Delphi.
Severity of this announce: 3/4.
Creation date: 20/08/2014.
Références of this computer vulnerability: CORE-2014-0004, CVE-2014-0993, VIGILANCE-VUL-15211, VU#646748.

Description of the vulnerability 

The Embarcadero Delphi product provides a VCL (Visual Component Library) library to handle BMP images.

However, the number of colors in the image is not checked. An excessive value leads to an overflow while processing the color palette.

An attacker can therefore generate a buffer overflow in the VCL library of Embarcadero Delphi, in order to trigger a denial of service, and possibly to execute code.
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This computer vulnerability note impacts software or systems such as Delphi.

Our Vigil@nce team determined that the severity of this computer vulnerability announce is important.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this cybersecurity announce.

Solutions for this threat 

Embarcadero Delph: patch for BMP.
A patch is available:
  For XE6: http://cc.embarcadero.com/item/29913
  For previous versions, the announce include a patch for the library source code.
Applications have to be recompiled.
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