SUSE SLED15 / SLES15 Security Update : libgcrypt (SUSE-SU-2019:1859-1)

medium Nessus Plugin ID 126770

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

This update for libgcrypt fixes the following issues :

Security issues fixed :

CVE-2019-12904: The C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. (The C implementation is used on platforms where an assembly-language implementation is unavailable.) (bsc#1138939)

Other bugfixes: Don't run full FIPS self-tests from constructor (bsc#1097073)

Skip all the self-tests except for binary integrity when called from the constructor (bsc#1097073)

Enforce the minimal RSA keygen size in fips mode (bsc#1125740)

avoid executing some tests twice.

Fixed a race condition in initialization.

Fixed env-script-interpreter in cavs_driver.pl

Fixed redundant fips tests in some situations causing failure to boot in fips mode. (bsc#1097073)

This helps during booting of the system in FIPS mode with insufficient entropy.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Module for Open Buildservice Development Tools 15:zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-1859=1

SUSE Linux Enterprise Module for Basesystem 15:zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-1859=1

Plugin Details

Severity: Medium

ID: 126770

File Name: suse_SU-2019-1859-1.nasl

Version: 1.4

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 7/17/2019

Updated: 1/13/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, 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 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:suse_linux:libgcrypt-cavs, p-cpe:/a:novell:suse_linux:libgcrypt-cavs-debuginfo, p-cpe:/a:novell:suse_linux:libgcrypt-debugsource, p-cpe:/a:novell:suse_linux:libgcrypt-devel, p-cpe:/a:novell:suse_linux:libgcrypt-devel-debuginfo, p-cpe:/a:novell:suse_linux:libgcrypt20, p-cpe:/a:novell:suse_linux:libgcrypt20-32bit-debuginfo, p-cpe:/a:novell:suse_linux:libgcrypt20-debuginfo, p-cpe:/a:novell:suse_linux:libgcrypt20-hmac, cpe:/o:novell:suse_linux:15

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: 7/16/2019

Vulnerability Publication Date: 6/20/2019

Reference Information

CVE: CVE-2019-12904

Detections

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