openSUSE Security Update: Security update for libnettle ______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:2143-1 Rating: important References: #1187060 Cross-References: CVE-2021-3580 CVSS scores: CVE-2021-3580 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products: openSUSE Leap 15.3 ______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for libnettle fixes the following issues:

- CVE-2021-3580: Fixed a remote denial of service in the RSA decryption via manipulated ciphertext (bsc#1187060).

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 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2143=1

Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

libhogweed4-3.4.1-4.18.1 libhogweed4-debuginfo-3.4.1-4.18.1 libnettle-debugsource-3.4.1-4.18.1 libnettle-devel-3.4.1-4.18.1 libnettle6-3.4.1-4.18.1 libnettle6-debuginfo-3.4.1-4.18.1 nettle-3.4.1-4.18.1 nettle-debuginfo-3.4.1-4.18.1

- openSUSE Leap 15.3 (x86_64):

libhogweed4-32bit-3.4.1-4.18.1 libhogweed4-32bit-debuginfo-3.4.1-4.18.1 libnettle-devel-32bit-3.4.1-4.18.1 libnettle6-32bit-3.4.1-4.18.1 libnettle6-32bit-debuginfo-3.4.1-4.18.1

References:

https://www.suse.com/security/cve/CVE-2021-3580.html https://bugzilla.suse.com/1187060