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Vulnerability of Excel: two vulnerabilities

Synthesis of the vulnerability

An attacker can invite the victim to open a malicious file with Excel, in order to execute code on his computer.
Severity of this computer vulnerability: 3/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 08/10/2013.
Références of this announce: 2885080, BID-62824, BID-62829, CERTA-2013-AVI-564, CVE-2013-3889, CVE-2013-3890, MS13-085, VIGILANCE-VUL-13564.

Description of the vulnerability

Several vulnerabilities were announced in Excel.

An attacker can generate a memory corruption via an Excel document, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-62829, CVE-2013-3889]

An attacker can generate a memory corruption via an Excel document, in order to trigger a denial of service, and possibly to execute code. [severity:3/4; BID-62824, CVE-2013-3890]
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This cybersecurity note impacts software or systems such as Office, Excel.

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

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

This bulletin is about 2 vulnerabilities.

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

Solutions for this threat

Excel: patch.
A patch is available in information sources.
The Microsoft announce indicates workarounds.
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