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Vigil@nce - Linux kernel: denial of service via SCTP INIT
November 2014 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can send a malicious SCTP INIT packet to the Linux
kernel, in order to trigger a denial of service.
– Impacted products: Fedora, Linux
– Severity: 2/4
– Creation date: 13/11/2014
DESCRIPTION OF THE VULNERABILITY
The SCTP protocol is used to transport several message streams,
multiplexed over one connection.
However, when a malicious SCTP INIT packet is received, the
af->from_addr_param pointer is NULL, but it is dereferenced.
An attacker can therefore send a malicious SCTP INIT packet to the
Linux kernel, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-SCTP-INIT-15646
