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Vulnerability of Apple QuickTime: multiple vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Apple QuickTime.
Vulnerable products: QuickTime.
Severity of this weakness: 2/4.
Number of vulnerabilities in this bulletin: 4.
Creation date: 23/10/2014.
Références of this bulletin: APPLE-SA-2014-10-22-1, CERTFR-2014-AVI-441, CVE-2014-1391, CVE-2014-4350, CVE-2014-4351, CVE-2014-4979, VIGILANCE-VUL-15528.

Description of the vulnerability 

Several vulnerabilities were announced in Apple QuickTime.

An attacker can generate a memory corruption in RLE decompression, in order to trigger a denial of service, and possibly to execute code. [severity:2/4; CVE-2014-1391]

An attacker can generate a buffer overflow in the processing of MIDI files, in order to trigger a denial of service, and possibly to execute code. [severity:2/4; CVE-2014-4350]

An attacker can generate a buffer overflow in the code processing audio data from m4a files, in order to trigger a denial of service, and possibly to execute code. [severity:2/4; CVE-2014-4351]

An attacker can generate a memory corruption in the processing of MVHD file section, in order to trigger a denial of service, and possibly to execute code. [severity:2/4; CVE-2014-4979]
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This cybersecurity weakness impacts software or systems such as QuickTime.

Our Vigil@nce team determined that the severity of this security vulnerability is medium.

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

This bulletin is about 4 vulnerabilities.

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

Solutions for this threat 

Apple QuickTime: version 7.7.6.
The version 7.7.6 is fixed:
  http://www.apple.com/quicktime/download/
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