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Vulnerability of Kaspersky Anti-Virus, Endpoint: memory corruption via RAR/ZIP

Synthesis of the vulnerability

An attacker can generate a memory corruption via a RAR/ZIP archive on Kaspersky Anti-Virus or Kaspersky Endpoint Security, in order to trigger a denial of service, and possibly to run code.
Severity of this weakness: 3/4.
Creation date: 11/01/2016.
Références of this bulletin: VIGILANCE-VUL-18672.

Description of the vulnerability

The Kaspersky Anti-Virus or Kaspersky Endpoint Security product analyzes RAR and ZIP archives.

However, a malformed RAR or ZIP archive corrupts the memory. This vulnerability was initially announced in VIGILANCE-VUL-18317 for ZIP and Kaspersky Anti-Virus only.

An attacker can therefore generate a memory corruption via a RAR/ZIP archive on Kaspersky Anti-Virus or Kaspersky Endpoint Security, in order to trigger a denial of service, and possibly to run code.
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This weakness impacts software or systems such as Kaspersky AV.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this threat bulletin.

Solutions for this threat

Kaspersky Anti-Virus: fixed versions for RAR/ZIP.
Versions published after the 13th of November 2015 are fixed.
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