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vulnerability alert CVE-2014-0993

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.
Consequences of an intrusion: administrator access/rights, privileged access/rights, user access/rights, denial of service on server, denial of service on service, denial of service on client.
Attacker's origin: document.
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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