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SUSE: 2021:3489-1 Moderate: Python DoS and ReDoS Threats

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Calendar Grey October 20, 2021
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Essential SUSE Security Patch announced for Python environments tackles several vulnerabilities along with corresponding severity assessments and installation guidelines.
An update that fixes two vulnerabilities is now available

Summary

This update for python 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 Module for Python2 15-SP3: zypper in -t patch SUSE-SLE-Module-Python2-15-SP3-2021-3489=1 - SUSE Linux Enterprise Module for Python2 15-SP2: zypper in -t patch SUSE-SLE-Module-Python2-15-SP2-2021-3489=1 - SUSE Linux Enterprise Module for Desktop Applications 15-SP3: zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP3-2021-3489=1

Topics%20covered

Topics Covered

security advisory moderate update DoS suse python ReDoS

References

#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 Module for Python2 15-SP3

SUSE Linux Enterprise Module for Python2 15-SP2

SUSE Linux Enterprise Module for Desktop Applications 15-SP3

SUSE Linux Enterprise Module for Desktop Applications 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP3

SUSE Linux Enterprise Module for Basesystem 15-SP2

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

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

https://bugzilla.suse.com/1189241

https://bugzilla.suse.com/1189287

Announcement ID: SUSE-SU-2021:3489-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate update DoS suse python ReDoS

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