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SUSE: 2021:14670-2 Moderate: OpenSSL Buffer Overflow And Security Flaw

suse
Calendar Grey March 19, 2021
Dist Suse Esm H88
New patch released addressing dual security flaws in openssl for SUSE clientele. Ensure your systems remain fortified with the current updates from SUSE.
An update that fixes two vulnerabilities is now available

Summary

This update for openssl 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 11-SP4-LTSS: zypper in -t patch slessp4-openssl-14670=1 - SUSE Linux Enterprise Point of Sale 11-SP3: zypper in -t patch sleposp3-openssl-14670=1 - SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-openssl-14670=1 - SUSE Linux Enterprise Debuginfo 11-SP3: zypper in -t patch dbgsp3-openssl-14670=1 Package List:

Topics%20covered

Topics Covered

security advisory moderate security fix integer overflow null pointer openssl suse linux

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) : 5.9 CVSS:3.1/AV:N/AC:H/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 11-SP4-LTSS

SUSE Linux Enterprise Point of Sale 11-SP3

SUSE Linux Enterprise Debuginfo 11-SP4

SUSE Linux Enterprise Debuginfo 11-SP3

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-2021:14670-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security fix integer overflow null pointer openssl suse linux

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