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SUSE: 2023:2633-1 Moderate: Timing Attack Fix on openssl-1_0_0

suse
Calendar Grey February 27, 2024
Dist Suse Esm H88
Significant safety improvement for openssl-1_0_0, addressing side-channel attack weaknesses with comprehensive setup instructions.
* bsc#1207534 Cross-References: * CVE-2022-4304

Summary

## This update for openssl-1_0_0 fixes the following issues: * CVE-2022-4304: Reworked the fix for the Timing-Oracle in RSA decryption. The previous fix for this timing side channel turned out to cause a severe 2-3x performance regression in the typical use case (bsc#1207534). ## Patch Instructions: To install this SUSE 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-15.4-2023-2633=1 * openSUSE Leap 15.5 zypper in -t patch openSUSE-SLE-15.5-2023-2633=1 * Legacy Module 15-SP4 zypper in -t patch SUSE-SLE-Module-Legacy-15-SP4-2023-2633=1 * Legacy Module 15-SP5 zypper in -t patch SUSE-SLE-Module-Legacy-15-SP5-2023-2633=1

Topics%20covered

Topics Covered

security advisory moderate severity timing attack openssl update SUSE Linux Enterprise

References

* bsc#1207534

Cross-

* CVE-2022-4304

CVSS scores:

* CVE-2022-4304 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

* CVE-2022-4304 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Products:

* Legacy Module 15-SP4

* Legacy Module 15-SP5

* openSUSE Leap 15.4

* openSUSE Leap 15.5

* SUSE CaaS Platform 4.0

* SUSE Enterprise Storage 7

* SUSE Enterprise Storage 7.1

* SUSE Linux Enterprise High Performance Computing 15 SP3

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP3

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3

* SUSE Linux Enterprise Server 15 SP1

* SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1

* SUSE Linux Enterprise Server 15 SP2

* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2

Announcement ID: SUSE-SU-2023:2633-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate severity timing attack openssl update SUSE Linux Enterprise

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