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SUSE: 2021:4015-1 Moderate: Python3 DoS and Info Leak Fix

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Calendar Grey December 13, 2021
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Ubuntu Security Patch for python3 addresses concerns such as Denial of Service and data exposure vulnerabilities across particular applications.
An update that solves three vulnerabilities and has 5 fixes 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) - CVE-2021-3426: Fixed an information disclosure via pydoc. (bsc#1183374) - Rebuild to get new headers, avoid building in support for stropts.h (bsc#1187338). 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 MicroOS 5.1: zypper in -t patch SUSE-SUSE-MicroOS-5.1-2021-4015=1 - SUSE MicroOS 5.0: zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-4015=1 - SUSE Linux Enterprise Module for Development Tools 15-SP2:

Topics%20covered

Topics Covered

security advisory moderate software update DoS information disclosure SUSE python3

References

#1180125 #1183374 #1183858 #1185588 #1187338

#1187668 #1189241 #1189287

Cross- CVE-2021-3426 CVE-2021-3733 CVE-2021-3737

CVSS scores:

CVE-2021-3426 (NVD) : 5.7 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVE-2021-3426 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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 MicroOS 5.1

SUSE MicroOS 5.0

SUSE Linux Enterprise Module for Development Tools 15-SP2

SUSE Linux Enterprise Module for Basesystem 15-SP2

https://www.suse.com/security/cve/CVE-2021-3426.html

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

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

Announcement ID: SUSE-SU-2021:4015-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate software update DoS information disclosure SUSE python3

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