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Vigil@nce - NetBSD: three vulnerabilities of Compatibility Layers

June 2016 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 Compatibility
Layers of NetBSD.

Impacted products: NetBSD.

Severity: 2/4.

Creation date: 22/04/2016.

DESCRIPTION OF THE VULNERABILITY

Several vulnerabilities were announced in NetBSD.

An attacker can create a memory leak in COMPAT_NETBSD32 sendmsg,
in order to trigger a denial of service. [severity:1/4]

An attacker can generate a buffer overflow in COMPAT_NETBSD32
ioctl, in order to trigger a denial of service, and possibly to
run code. [severity:2/4]

An attacker can trigger a fatal error in COMPAT_OSF1 sendmsg, in
order to trigger a denial of service. [severity:1/4]

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/NetBSD-three-vulnerabilities-of-Compatibility-Layers-19439


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