Vigil@nce - NetBSD: memory leak via setsockopt
September 2014 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can create a memory leak via setsockopt() on NetBSD,
in order to trigger a denial of service.
Impacted products: NetBSD
Severity: 1/4
Creation date: 09/09/2014
DESCRIPTION OF THE VULNERABILITY
The setsockopt() function defines options of a socket.
However, the memory allocated to process an IPv6 option in
netinet6/ip6_output.c is never freed.
An attacker can therefore create a memory leak via setsockopt() on
NetBSD, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/NetBSD-memory-leak-via-setsockopt-15288