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openSUSE Security Update : openssl (openSUSE-2018-704)

high Nessus Plugin ID 110960

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for openssl fixes the following issues :

 - CVE-2018-0732: During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server could have sent a very large prime value to the client. This caused the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack (bsc#1097158).

 - Blinding enhancements for ECDSA and DSA (bsc#1097624, bsc#1098592)

This update was imported from the SUSE:SLE-12-SP2:Update update project.

Solution

Update the affected openssl packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1097158

https://bugzilla.opensuse.org/show_bug.cgi?id=1097624

https://bugzilla.opensuse.org/show_bug.cgi?id=1098592

Plugin Details

Severity: High

ID: 110960

File Name: openSUSE-2018-704.nasl

Version: 1.8

Type: local

Agent: unix

Published: 7/9/2018

Updated: 9/5/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-0732

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:openssl-debugsource, p-cpe:/a:novell:opensuse:openssl-debuginfo, p-cpe:/a:novell:opensuse:libopenssl1_0_0-debuginfo, p-cpe:/a:novell:opensuse:libopenssl-devel, p-cpe:/a:novell:opensuse:libopenssl-devel-32bit, p-cpe:/a:novell:opensuse:libopenssl1_0_0-32bit, p-cpe:/a:novell:opensuse:libopenssl1_0_0-hmac-32bit, p-cpe:/a:novell:opensuse:libopenssl1_0_0, p-cpe:/a:novell:opensuse:libopenssl1_0_0-debuginfo-32bit, p-cpe:/a:novell:opensuse:libopenssl1_0_0-hmac, p-cpe:/a:novell:opensuse:openssl, p-cpe:/a:novell:opensuse:openssl-cavs, cpe:/o:novell:opensuse:42.3, p-cpe:/a:novell:opensuse:openssl-cavs-debuginfo

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: 7/6/2018

Reference Information

CVE: CVE-2018-0732