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openSUSE Security Update : libgcrypt (openSUSE-2019-1792)

medium Nessus Plugin ID 126976

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Synopsis

The remote openSUSE host is missing a security update.

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.

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

Solution

Update the affected libgcrypt packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1097073

https://bugzilla.opensuse.org/show_bug.cgi?id=1125740

https://bugzilla.opensuse.org/show_bug.cgi?id=1138939

Plugin Details

Severity: Medium

ID: 126976

File Name: openSUSE-2019-1792.nasl

Version: 1.5

Type: local

Agent: unix

Published: 7/24/2019

Updated: 5/8/2024

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-2019-12904

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:libgcrypt20-hmac, cpe:/o:novell:opensuse:15.0, p-cpe:/a:novell:opensuse:libgcrypt20-hmac-32bit, p-cpe:/a:novell:opensuse:libgcrypt-debugsource, p-cpe:/a:novell:opensuse:libgcrypt20-32bit-debuginfo, p-cpe:/a:novell:opensuse:libgcrypt20-debuginfo, p-cpe:/a:novell:opensuse:libgcrypt20, p-cpe:/a:novell:opensuse:libgcrypt-cavs-debuginfo, p-cpe:/a:novell:opensuse:libgcrypt-devel, p-cpe:/a:novell:opensuse:libgcrypt-devel-debuginfo, p-cpe:/a:novell:opensuse:libgcrypt-devel-32bit, p-cpe:/a:novell:opensuse:libgcrypt-cavs, p-cpe:/a:novell:opensuse:libgcrypt20-32bit, p-cpe:/a:novell:opensuse:libgcrypt-devel-32bit-debuginfo

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: 7/23/2019

Vulnerability Publication Date: 6/20/2019

Reference Information

CVE: CVE-2019-12904