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SUSE: 2021:3477-1 Moderate: Python3 DoS and ReDoS Security Fix

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Calendar Grey October 20, 2021
Scroller Suse
The latest python3 release resolves two concerns of notable importance, bolstering security measures for users of SUSE systems.
An update that solves two vulnerabilities and has one errata is now available

Summary

This update for python3 fixes the following issues: - CVE-2021-3737: Fixed http client infinite line reading (DoS) after a http 100. (bsc#1189241) - CVE-2021-3733: Fixed ReDoS in urllib.request. (bsc#1189287) 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 Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-3477=1 - SUSE Linux Enterprise Server 12-SP5: zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3477=1 - SUSE Linux Enterprise Module for Web Scripting 12: zypper in -t patch SUSE-SLE-Module-Web-Scripting-12-2021-3477=1 Package List:

Topics%20covered

Topics Covered

security advisory moderate security update DoS SUSE python3 ReDoS

References

#1187668 #1189241 #1189287

Cross- CVE-2021-3733 CVE-2021-3737

CVSS scores:

CVE-2021-3733 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2021-3737 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected Products:

SUSE Linux Enterprise Software Development Kit 12-SP5

SUSE Linux Enterprise Server 12-SP5

SUSE Linux Enterprise Module for Web Scripting 12

https://www.suse.com/security/cve/CVE-2021-3733.html

https://www.suse.com/security/cve/CVE-2021-3737.html

https://bugzilla.suse.com/1187668

https://bugzilla.suse.com/1189241

https://bugzilla.suse.com/1189287

Announcement ID: SUSE-SU-2021:3477-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate security update DoS SUSE python3 ReDoS

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