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openSUSE Leap 15.3 Important: Security Update for OpenSSL Denial of Service

opensuse
Calendar Grey August 24, 2021
Dist Opensuse Esm H88
Essential security patches for OpenSSL on openSUSE Leap 15.3 have been released to tackle significant weaknesses that pose risks to the integrity of the system.
An update that fixes two vulnerabilities is now available

Description

This update for openssl-1_1 fixes the following security issues:

- CVE-2021-3711: A bug in the implementation of the SM2 decryption code

could lead to buffer overflows. [bsc#1189520]

- CVE-2021-3712: a bug in the code for printing certificate details could

lead to a buffer overrun that a malicious actor could exploit to crash

the application, causing a denial-of-service attack. [bsc#1189521]

Topics%20covered

Topics Covered

security advisory denial of service security update buffer overflow OpenSSL important fix openSUSE

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 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2830=1

Package List

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

libopenssl-1_1-devel-1.1.1d-11.27.1

libopenssl1_1-1.1.1d-11.27.1

libopenssl1_1-debuginfo-1.1.1d-11.27.1

libopenssl1_1-hmac-1.1.1d-11.27.1

openssl-1_1-1.1.1d-11.27.1

openssl-1_1-debuginfo-1.1.1d-11.27.1

openssl-1_1-debugsource-1.1.1d-11.27.1

- openSUSE Leap 15.3 (noarch):

openssl-1_1-doc-1.1.1d-11.27.1

- openSUSE Leap 15.3 (x86_64):

libopenssl-1_1-devel-32bit-1.1.1d-11.27.1

libopenssl1_1-32bit-1.1.1d-11.27.1

libopenssl1_1-32bit-debuginfo-1.1.1d-11.27.1

libopenssl1_1-hmac-32bit-1.1.1d-11.27.1

References

https://www.suse.com/security/cve/CVE-2021-3711.html

https://www.suse.com/security/cve/CVE-2021-3712.html

https://bugzilla.suse.com/1189520

https://bugzilla.suse.com/1189521

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:2830-1
Rating: important
Affected Products: openSUSE Leap 15.3 .

Topics%20covered

Topics Covered

security advisory denial of service security update buffer overflow OpenSSL important fix openSUSE

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