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SUSE 2021 0755 1 Moderate: OpenSSL 1 1 Integer Overflow & Null Pointer

suse
Calendar Grey March 9, 2021
Dist Suse Esm H88
A recent patch for openssl-1_1 resolves significant security issues impacting SUSE Enterprise Servers. It's crucial to apply these fixes immediately.
An update that fixes two vulnerabilities is now available

Summary

This update for openssl-1_1 fixes the following issues: - CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333) - CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331) 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 Server for SAP 15: zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-755=1 - SUSE Linux Enterprise Server 15-LTSS: zypper in -t patch SUSE-SLE-Product-SLES-15-2021-755=1 - SUSE Linux Enterprise High Performance Computing 15-LTSS: zypper in -t patch SUSE-SLE-Product-HPC-15-2021-755=1

Topics%20covered

Topics Covered

security advisory moderate security update integer overflow null pointer SUSE openssl

References

#1182331 #1182333

Cross- CVE-2021-23840 CVE-2021-23841

CVSS scores:

CVE-2021-23840 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2021-23840 (SUSE): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

CVE-2021-23841 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2021-23841 (SUSE): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:

SUSE Linux Enterprise Server for SAP 15

SUSE Linux Enterprise Server 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-LTSS

SUSE Linux Enterprise High Performance Computing 15-ESPOS

https://www.suse.com/security/cve/CVE-2021-23840.html

https://www.suse.com/security/cve/CVE-2021-23841.html

https://bugzilla.suse.com/1182331

https://bugzilla.suse.com/1182333

Announcement ID: SUSE-SU-2021:0755-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security update integer overflow null pointer SUSE openssl

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