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FreeBSD : Mbed TLS -- Local timing attack on RSA decryption (293f40a0-ffa1-11e8-b258-0011d823eebd)

medium Nessus Plugin ID 119698

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Synopsis

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

Description

Janos Follath reports :

An attacker who can run code on the same machine that is performing an RSA decryption can potentially recover the plaintext through a Bleichenbacher-like oracle.

Solution

Update the affected package.

See Also

http://www.nessus.org/u?0ba0bf0b

http://www.nessus.org/u?0dd9cb1e

Plugin Details

Severity: Medium

ID: 119698

File Name: freebsd_pkg_293f40a0ffa111e8b2580011d823eebd.nasl

Version: 1.3

Type: local

Published: 12/17/2018

Updated: 3/27/2020

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

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

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/14/2018

Vulnerability Publication Date: 11/28/2018

Reference Information

CVE: CVE-2018-19608