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openSUSE Security Update : openssl-1_1 (openSUSE-2018-1109)

high Nessus Plugin ID 117976

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Synopsis

The remote openSUSE host is missing a security update.

Description

This update for openssl-1_1 to 1.1.0i fixes the following issues :

These security issues were fixed :

 - 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)

 - Make problematic ECDSA sign addition length-invariant

 - Add blinding to ECDSA and DSA signatures to protect against side channel attacks

These non-security issues were fixed :

 - When unlocking a pass phrase protected PEM file or PKCS#8 container, we now allow empty (zero character) pass phrases.

 - Certificate time validation (X509_cmp_time) enforces stricter compliance with RFC 5280. Fractional seconds and timezone offsets are no longer allowed.

 - Fixed a text canonicalisation bug in CMS

 - Add openssl(cli) Provide so the packages that require the openssl binary can require this instead of the new openssl meta package (bsc#1101470)

This update was imported from the SUSE:SLE-15:Update update project.

Solution

Update the affected openssl-1_1 packages.

See Also

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

https://bugzilla.opensuse.org/show_bug.cgi?id=1101470

Plugin Details

Severity: High

ID: 117976

File Name: openSUSE-2018-1109.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/9/2018

Updated: 7/31/2024

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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:libopenssl-1_1-devel-32bit, p-cpe:/a:novell:opensuse:libopenssl1_1, cpe:/o:novell:opensuse:15.0, p-cpe:/a:novell:opensuse:libopenssl-devel, p-cpe:/a:novell:opensuse:libopenssl1_1-32bit, p-cpe:/a:novell:opensuse:openssl-1_1, p-cpe:/a:novell:opensuse:libopenssl1_1-hmac-32bit, p-cpe:/a:novell:opensuse:libopenssl1_1-32bit-debuginfo, p-cpe:/a:novell:opensuse:libopenssl-1_1-devel, p-cpe:/a:novell:opensuse:openssl, p-cpe:/a:novell:opensuse:libopenssl1_1-debuginfo, p-cpe:/a:novell:opensuse:openssl-1_1-debugsource, p-cpe:/a:novell:opensuse:openssl-1_1-debuginfo, p-cpe:/a:novell:opensuse:libopenssl1_1-hmac

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2018

Reference Information

CVE: CVE-2018-0732