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Vulnerability of Avast: file moved/deleted via ZIP

Synthesis of the vulnerability 

An attacker can send a malicious ZIP file to Avast, in order to force a file to be moved/deleted.
Vulnerable systems: Avast AV.
Severity of this threat: 2/4.
Creation date: 16/10/2015.
Références of this weakness: CVE-2015-5662, JVN#25576608, VIGILANCE-VUL-18128.

Description of the vulnerability 

The Avast product moves or deletes files containing viruses.

However, when a ZIP archive is processed, the filename comes from the archive, but the move/delete operation is performed on the filesystem.

An attacker can therefore send a malicious ZIP file to Avast, in order to force a file to be moved/deleted.
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This vulnerability alert impacts software or systems such as Avast AV.

Our Vigil@nce team determined that the severity of this computer weakness alert is medium.

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

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

Solutions for this threat 

Avast: Virus Definition ID version 150918-0.
Virus Definition ID version 150918-0 is fixed.
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