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SUSE: 2021:0669-1 Important: Fix for python-cryptography Buffer Overflow

suse
Calendar Grey March 1, 2021
Dist Suse Esm H88
SUSE has released a crucial update for python-cryptography to fix serious vulnerabilities that need immediate attention.
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 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-669=1 - SUSE OpenStack Cloud 8: zypper in -t patch SUSE-OpenStack-Cloud-8-2021-669=1 - HPE Helion Openstack 8: zypper in -t patch HPE-Helion-OpenStack-8-2021-669=1 Package List: - SUSE OpenStack Cloud Crowbar 8 (x86_64): python-cryptography-2.0.3-3.10.1

Topics%20covered

Topics Covered

security advisory buffer overflow SUSE important update python-cryptography

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 8

SUSE OpenStack Cloud 8

HPE Helion Openstack 8

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-2021:0669-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SUSE important update python-cryptography

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