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openSUSE 15 Security Update : bouncycastle (openSUSE-SU-2021:0940-1)

medium Nessus Plugin ID 151199

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:0940-1 advisory.

 - Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have 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. (CVE-2020-15522)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1186328

http://www.nessus.org/u?c1a444d6

https://www.suse.com/security/cve/CVE-2020-15522

Plugin Details

Severity: Medium

ID: 151199

File Name: openSUSE-2021-940.nasl

Version: 1.2

Type: local

Agent: unix

Published: 7/1/2021

Updated: 7/1/2021

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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:novell:opensuse:bouncycastle-tls, p-cpe:/a:novell:opensuse:bouncycastle-mail, p-cpe:/a:novell:opensuse:bouncycastle-pg, cpe:/o:novell:opensuse:15.2, p-cpe:/a:novell:opensuse:bouncycastle-javadoc, p-cpe:/a:novell:opensuse:bouncycastle-pkix, p-cpe:/a:novell:opensuse:bouncycastle

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/29/2021

Vulnerability Publication Date: 5/20/2021

Reference Information

CVE: CVE-2020-15522