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FreeBSD : wolfssl -- DDoS amplification in DTLS (3d1372e1-7822-4fd8-b56e-5ee832afbd96)

high Nessus Plugin ID 93443

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

Sebastian Ramacher identified an error in wolfSSL's implementation of the server side of the DTLS handshake, which could be abused for DDoS amplification or a DoS on the DTLS server itself.

Solution

Update the affected package.

See Also

http://www.nessus.org/u?47455675

https://github.com/IAIK/wolfSSL-DoS

http://www.nessus.org/u?61a8caff

Plugin Details

Severity: High

ID: 93443

File Name: freebsd_pkg_3d1372e178224fd8b56e5ee832afbd96.nasl

Version: 2.4

Type: local

Published: 9/13/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:wolfssl, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 1/5/2016

Vulnerability Publication Date: 9/18/2015

Reference Information

CVE: CVE-2015-6925