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Vigil@nce - tnef: four vulnerabilities

April 2017 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can use several vulnerabilities of tnef.

Impacted products: Debian.

Severity: 2/4.

Creation date: 28/02/2017.

DESCRIPTION OF THE VULNERABILITY

Several vulnerabilities were announced in tnef.

An attacker can bypass access restrictions via mapi_attr_read(),
in order to read or alter data. [severity:2/4; CVE-2017-6307]

An attacker can generate an integer overflow via Wrap Memory
Allocation, in order to trigger a denial of service, and possibly
to run code. [severity:2/4; CVE-2017-6308]

An attacker can generate a memory corruption via parse_file(), in
order to trigger a denial of service, and possibly to run code.
[severity:2/4; CVE-2017-6309]

An attacker can generate a memory corruption via
file_add_mapi_attrs(), in order to trigger a denial of service,
and possibly to run code. [severity:2/4; CVE-2017-6310]

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/tnef-four-vulnerabilities-21972


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