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SUSE Linux 15-SP4: Advisory SUSE-SU-2022:2691-1 Critical Timing Attack

suse
Calendar Grey August 5, 2022
Dist Suse Esm H88
SUSE Security Patch for python-M2Crypto that resolves a significant timing attack vulnerability essential for multiple versions.
An update that fixes one vulnerability is now available

Summary

This update for python-M2Crypto fixes the following issues: - CVE-2020-25657: Fixed Bleichenbacher timing attacks in the RSA decryption API (bsc#1178829). 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: - openSUSE Leap 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-2691=1 - SUSE Linux Enterprise Module for Basesystem 15-SP4: zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2022-2691=1 Package List: - openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64): python-M2Crypto-debugsource-0.38.0-150400.3.6.1 python3-M2Crypto-0.38.0-150400.3.6.1 python3-M2Crypto-debuginfo-0.38.0-150400.3.6.1 - openSUSE Leap 15.4 (noarch):

Topics%20covered

Topics Covered

security advisory timing attack important fix SUSE Linux python-M2Crypto

References

#1178829

Cross- CVE-2020-25657

CVSS scores:

CVE-2020-25657 (NVD) : 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVE-2020-25657 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:

SUSE Linux Enterprise Desktop 15-SP4

SUSE Linux Enterprise High Performance Computing 15-SP4

SUSE Linux Enterprise Module for Basesystem 15-SP4

SUSE Linux Enterprise Server 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15-SP4

SUSE Manager Proxy 4.3

SUSE Manager Retail Branch Server 4.3

SUSE Manager Server 4.3

openSUSE Leap 15.4

https://www.suse.com/security/cve/CVE-2020-25657.html

https://bugzilla.suse.com/1178829

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:2691-1
Rating: important

Topics%20covered

Topics Covered

security advisory timing attack important fix SUSE Linux python-M2Crypto

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