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SUSE Linux 15-SP4 Security Advisory: CVE-2021-21703 Local Escalation

suse
Calendar Grey October 19, 2022
Dist Suse Esm H88
SUSE has rolled out a Security Update that tackles significant vulnerabilities in php8, offering essential corrections that improve both system resilience and safety.
An update that solves three vulnerabilities, contains two features and has one errata is now available

Summary

This update for php8 fixes the following issues: - php8 was updated to version 8.0.24 - php8 was updated to version 8.0.23 (jsc#SLE-23639). - CVE-2021-21703: Fixed a local privilege escalation via PHP-FPM. (bsc#1192050) - CVE-2022-31628: Fixed an uncontrolled recursion in the phar uncompressor while decompressing "quines" gzip files. (bsc#1203867) - CVE-2022-31629: Fixed a bug which could lead an attacker to set an insecure cookie that will treated as secure in the victim's browser. (bsc#1203870) - Fixed missing devel package requires pear and pecl extensions (jsc#SLE-24723, bsc#1200772). 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:

Topics%20covered

Topics Covered

security advisory php security patch system update local escalation dos suse linux

References

#1192050 #1200772 #1203867 #1203870 SLE-23639

SLE-24723

Cross- CVE-2021-21703 CVE-2022-31628 CVE-2022-31629

CVSS scores:

CVE-2021-21703 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-21703 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVE-2022-31628 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2022-31629 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Products:

SUSE Linux Enterprise High Performance Computing 15-SP4

SUSE Linux Enterprise Module for Web Scripting 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

openSUS...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2022:3661-1
Rating: important

Topics%20covered

Topics Covered

security advisory php security patch system update local escalation dos suse linux

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