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SUSE: 2021:3486-1 moderate: python36 DoS and Info Disclosure

suse
Calendar Grey October 20, 2021
Scroller Suse
SUSE has released a crucial security patch for python36 that tackles various vulnerabilities. Ensure your systems are updated promptly for improved protection.
An update that solves three vulnerabilities and has three fixes is now available

Summary

This update for python36 fixes the following issues: - Update to 3.6.15: - CVE-2021-3737: Fixed a DoS caused by infinitely reading potential HTTP headers after a 100 Continue status response from the server. (bsc#1189241) - CVE-2021-3426: Fixed an information disclosure via pydoc. (bsc#1183374) - CVE-2021-3733: Fixed a 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 Server 12-SP5: zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3486=1 Package List: - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64): libpython3_6m1_0-3.6.15-11.1

Topics%20covered

Topics Covered

security advisory moderate DoS information disclosure SUSE ReDoS python36

References

#1180125 #1183374 #1183858 #1185588 #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 Linux Enterprise Server 12-SP5

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

https://bugzilla.suse.com/1180125

https://bugzilla.suse.com/1183374

https://bugzilla.suse.com/1183858

Announcement ID: SUSE-SU-2021:3486-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate DoS information disclosure SUSE ReDoS python36

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