FreeBSD : FreeBSD -- Kernel memory disclosure in sctp(4) (dd48d9b9-5e7e-11e6-a6c3-14dae9d210b8)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.

Synopsis :

The remote FreeBSD host is missing one or more security-related

Description :

Problem Description :

When initializing the SCTP state cookie being sent in INIT-ACK chunks,
a buffer allocated from the kernel stack is not completely

Impact :

Fragments of kernel memory may be included in SCTP packets and
transmitted over the network. For each SCTP session, there are two
separate instances in which a 4-byte fragment may be transmitted.

This memory might contain sensitive information, such as portions of
the file cache or terminal buffers. This information might be directly
useful, or it might be leveraged to obtain elevated privileges in some
way. For example, a terminal buffer might include a user-entered

See also :

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.4
Public Exploit Available : true

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 92833 ()

Bugtraq ID: 61939

CVE ID: CVE-2013-5209

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