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SUSE: 2021:0784-1 Critical: Python-Security Memory Leak Vulnerability

suse
Calendar Grey March 1, 2021
Dist Suse Esm H88
SUSE Security Patch for python-encryption addresses critical vulnerabilities and includes guidance for users of the impacted versions.
An update that fixes one vulnerability is now available

Summary

This update for python-cryptography fixes the following issues: - CVE-2020-36242: Using the Fernet class to symmetrically encrypt multi gigabyte values could result in an integer overflow and buffer overflow (bsc#1182066). Patch Instructions: 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 OpenStack Cloud Crowbar 9: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-668=1 - SUSE OpenStack Cloud 9: zypper in -t patch SUSE-OpenStack-Cloud-9-2021-668=1 Package List: - SUSE OpenStack Cloud Crowbar 9 (x86_64): python-cryptography-2.3.1-3.3.1 python-cryptography-debuginfo-2.3.1-3.3.1 python-cryptography-debugsource-2.3.1-3.3.1

References

#1182066

Cross- CVE-2020-36242

CVSS scores:

CVE-2020-36242 (NVD) : 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVE-2020-36242 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud 9

https://www.suse.com/security/cve/CVE-2020-36242.html

https://bugzilla.suse.com/1182066

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:0668-1
Rating: important

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