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openSUSE Leap 42.3: 2018:2178-1 Moderate: libgcrypt Side-Channel Attack

opensuse
Calendar Grey August 3, 2018
Dist Opensuse Esm H88
Uncover the recent openSUSE update addressing moderate security flaws in libgcrypt, complete with detailed steps for effective mitigation.
An update that solves one vulnerability and has two fixes is now available.

Description

This update for libgcrypt fixes the following issues:

The following security vulnerability was addressed:

- CVE-2018-0495: Mitigate a novel side-channel attack by enabling blinding

for ECDSA signatures (bsc#1097410).

The following other issues were fixed:

- Extended the fipsdrv dsa-sign and dsa-verify commands with the

--algo parameter for the FIPS testing of DSA SigVer and SigGen

(bsc#1064455).

- Ensure libgcrypt20-hmac and libgcrypt20 are installed in the correct

order. (bsc#1090766)

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

Patch

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 42.3:

zypper in -t patch openSUSE-2018-795=1

Package List

- openSUSE Leap 42.3 (i586 x86_64):

libgcrypt-cavs-1.6.1-45.1

libgcrypt-cavs-debuginfo-1.6.1-45.1

libgcrypt-debugsource-1.6.1-45.1

libgcrypt-devel-1.6.1-45.1

libgcrypt-devel-debuginfo-1.6.1-45.1

libgcrypt20-1.6.1-45.1

libgcrypt20-debuginfo-1.6.1-45.1

libgcrypt20-hmac-1.6.1-45.1

- openSUSE Leap 42.3 (x86_64):

libgcrypt-devel-32bit-1.6.1-45.1

libgcrypt-devel-debuginfo-32bit-1.6.1-45.1

libgcrypt20-32bit-1.6.1-45.1

libgcrypt20-debuginfo-32bit-1.6.1-45.1

libgcrypt20-hmac-32bit-1.6.1-45.1

References

https://www.suse.com/security/cve/CVE-2018-0495.html

https://bugzilla.suse.com/1064455

https://bugzilla.suse.com/1090766

https://bugzilla.suse.com/1097410

--

Announcement ID: openSUSE-SU-2018:2178-1
Rating: moderate
Affected Products: openSUSE Leap 42.3 le.

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