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SUSE: 2021:0594-1 Important: python-cryptography Buffer Overflow

suse
Calendar Grey February 25, 2021
Dist Suse Esm H88
A new release for python-cryptography has been issued to mitigate a buffer overflow vulnerability. Installation steps for SUSE users are detailed as follows.
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 Linux Enterprise Module for Python2 15-SP2: zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-594=1 - SUSE Linux Enterprise Module for Basesystem 15-SP2: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-594=1 Package List: - SUSE Linux Enterprise Module for Python2 15-SP2 (aarch64 ppc64le s390x x86_64): python-cryptography-debuginfo-2.8-3.6.1

Topics%20covered

Topics Covered

security advisory buffer overflow important suse 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 Linux Enterprise Module for Python2 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP2

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

https://bugzilla.suse.com/1182066

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:0594-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow important suse python cryptography

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