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SUSE: 2021:0932-1 Important: Nghttp2 Denial Of Service Fixes Available

suse
Calendar Grey March 24, 2021
Dist Suse Esm H88
Important SUSE Security Patch for nghttp2 addresses several Denial of Service vulnerabilities. Apply suggested updates without delay.
An update that solves 5 vulnerabilities and has 6 fixes is now available

Summary

This update for nghttp2 fixes the following issues: Security issues fixed: - CVE-2020-11080: HTTP/2 Large Settings Frame DoS (bsc#1181358). - CVE-2019-9513: Fixed HTTP/2 implementation that is vulnerable to resource loops, potentially leading to a denial of service (bsc#1146184). - CVE-2019-9511: Fixed HTTP/2 implementations that are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service (bsc#1146182). - CVE-2018-1000168: Fixed ALTSVC frame client side denial of service (bsc#1088639). - CVE-2016-1544: Fixed out of memory due to unlimited incoming HTTP header fields (bsc#966514). Bug fixes and enhancements: - Packages must not mark license files as %doc (bsc#1082318) - Typo in description of libnghttp2_asio1 (bsc#962914)

Topics%20covered

Topics Covered

security advisory denial of service important nghttp2 SUSE Linux Enterprise patch instructions SUSE OpenStack

References

#1082318 #1088639 #1112438 #1125689 #1134616

#1146182 #1146184 #1181358 #962914 #964140

#966514

Cross- CVE-2016-1544 CVE-2018-1000168 CVE-2019-9511

CVE-2019-9513 CVE-2020-11080

CVSS scores:

CVE-2016-1544 (NVD) : 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CVE-2018-1000168 (NVD) : 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2018-1000168 (SUSE): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2019-9511 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2019-9511 (SUSE): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2019-9513 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2019-9513 (SUSE): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
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Critical

Announcement ID: SUSE-SU-2021:0932-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service important nghttp2 SUSE Linux Enterprise patch instructions SUSE OpenStack

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