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Test ID:1.3.6.1.4.1.25623.1.0.140047
Category:F5 Local Security Checks
Title:F5 BIG-IP - OpenSSL vulnerability CVE-2016-2179
Summary:The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused out-of-order messages, which allows remote attackers to cause a denial of service (memory consumption) by maintaining many crafted DTLS sessions simultaneously, related to d1_lib.c, statem_dtls.c, statem_lib.c, and statem_srvr.c.
Description:Summary:
The DTLS implementation in OpenSSL before 1.1.0 does not properly restrict the lifetime of queue entries associated with unused out-of-order messages, which allows remote attackers to cause a denial of service (memory consumption) by maintaining many crafted DTLS sessions simultaneously, related to d1_lib.c, statem_dtls.c, statem_lib.c, and statem_srvr.c.

Solution:
See the referenced vendor advisory for a solution.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2016-2179
BugTraq ID: 92987
http://www.securityfocus.com/bid/92987
FreeBSD Security Advisory: FreeBSD-SA-16:26
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
RedHat Security Advisories: RHSA-2016:1940
http://rhn.redhat.com/errata/RHSA-2016-1940.html
http://www.securitytracker.com/id/1036689
CopyrightCopyright (C) 2016 Greenbone Networks GmbH

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