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FreeBSD : bouncycastle15 -- EC math vulnerability (89d5bca6-0150-11ec-bf0c-080027eedc6a)

medium Nessus Plugin ID 152747

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Synopsis

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

Description

The Bouncy Castle team reports: :

Bouncy Castle BC Java before 1.66 has a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

Solution

Update the affected package.

See Also

http://www.nessus.org/u?a7d49b46

Plugin Details

Severity: Medium

ID: 152747

File Name: freebsd_pkg_89d5bca6015011ecbf0c080027eedc6a.nasl

Version: 1.3

Type: local

Published: 8/23/2021

Updated: 12/4/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2020-15522

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/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:bouncycastle15, 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: 8/20/2021

Vulnerability Publication Date: 7/4/2020

Reference Information

CVE: CVE-2020-15522