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redhatRedHatRHSA-2023:5711
HistoryOct 16, 2023 - 8:04 a.m.

(RHSA-2023:5711) Moderate: nginx security update

2023-10-1608:04:31
access.redhat.com
28
nginx
security update
http/2
ddos
cve-2023-44487
web server
proxy server
high concurrency
low memory usage

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.2

Confidence

Low

EPSS

0.813

Percentile

98.4%

JSON

nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.

Security Fix(es):

  • HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

OSVersionArchitecturePackageVersionFilename
RedHat9s390xnginx-mod-http-perl-debuginfo< 1.20.1-14.el9_2.1nginx-mod-http-perl-debuginfo-1.20.1-14.el9_2.1.s390x.rpm
RedHat9aarch64nginx-mod-devel< 1.20.1-14.el9_2.1nginx-mod-devel-1.20.1-14.el9_2.1.aarch64.rpm
RedHat9ppc64lenginx-mod-http-perl< 1.20.1-14.el9_2.1nginx-mod-http-perl-1.20.1-14.el9_2.1.ppc64le.rpm
RedHat9ppc64lenginx-mod-http-image-filter< 1.20.1-14.el9_2.1nginx-mod-http-image-filter-1.20.1-14.el9_2.1.ppc64le.rpm
RedHat9aarch64nginx-debugsource< 1.20.1-14.el9_2.1nginx-debugsource-1.20.1-14.el9_2.1.aarch64.rpm
RedHat9x86_64nginx-mod-http-xslt-filter< 1.20.1-14.el9_2.1nginx-mod-http-xslt-filter-1.20.1-14.el9_2.1.x86_64.rpm
RedHat9aarch64nginx-mod-mail< 1.20.1-14.el9_2.1nginx-mod-mail-1.20.1-14.el9_2.1.aarch64.rpm
RedHat9ppc64lenginx< 1.20.1-14.el9_2.1nginx-1.20.1-14.el9_2.1.ppc64le.rpm
RedHat9x86_64nginx-mod-devel< 1.20.1-14.el9_2.1nginx-mod-devel-1.20.1-14.el9_2.1.x86_64.rpm
RedHat9noarchnginx-all-modules< 1.20.1-14.el9_2.1nginx-all-modules-1.20.1-14.el9_2.1.noarch.rpm
Rows per page:
1-10 of 661

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CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

AI Score

7.2

Confidence

Low

EPSS

0.813

Percentile

98.4%

JSON
Related for RHSA-2023:5711
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