Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 508
Alerts This Week
Warning Icon 1 508

SUSE 15-SP3/15-SP2 Advisory: 2021:2127-1 Important Apache2 Threats

suse
Calendar Grey June 22, 2021
Scroller Suse
SUSE Security Update for mysql released addressing severe flaws in key components impacting multiple functionalities.
An update that fixes 6 vulnerabilities is now available

Summary

This update for apache2 fixes the following issues: - fixed CVE-2021-30641 [bsc#1187174]: MergeSlashes regression - fixed CVE-2021-31618 [bsc#1186924]: NULL pointer dereference on specially crafted HTTP/2 request - fixed CVE-2020-13950 [bsc#1187040]: mod_proxy NULL pointer dereference - fixed CVE-2020-35452 [bsc#1186922]: Single zero byte stack overflow in mod_auth_digest - fixed CVE-2021-26690 [bsc#1186923]: mod_session NULL pointer dereference in parser - fixed CVE-2021-26691 [bsc#1187017]: Heap overflow in mod_session 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 Server Applications 15-SP3:

Topics%20covered

Topics Covered

security advisory important NULL pointer SUSE apache2 HTTP/2

References

#1186922 #1186923 #1186924 #1187017 #1187040

#1187174

Cross- CVE-2020-13950 CVE-2020-35452 CVE-2021-26690

CVE-2021-26691 CVE-2021-30641 CVE-2021-31618

CVSS scores:

CVE-2020-13950 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-13950 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2020-35452 (NVD) : 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVE-2020-35452 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-26690 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2021-26690 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-26691 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2021-30641 (NVD) : 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:2127-1
Rating: important

Topics%20covered

Topics Covered

security advisory important NULL pointer SUSE apache2 HTTP/2

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.