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AlmaLinuxALSA-2023:5924HistoryOct 19, 2023 - 12:00 a.m.
Important: varnish security update
2023-10-1900:00:00
errata.almalinux.org
22
varnish cache
http/2
security update
ddos attack
cve-2023-44487
cvss score
references section
7.5 High
CVSS3
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
0.732 High
EPSS
Percentile
98.1%
Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don’t have to create the same web page over and over again, giving the website a significant speed up.
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| almalinux | 9 | i686 | varnish | < 6.6.2-3.el9_2.1 | varnish-6.6.2-3.el9_2.1.i686.rpm |
| almalinux | 9 | x86_64 | varnish | < 6.6.2-3.el9_2.1 | varnish-6.6.2-3.el9_2.1.x86_64.rpm |
| almalinux | 9 | x86_64 | varnish-docs | < 6.6.2-3.el9_2.1 | varnish-docs-6.6.2-3.el9_2.1.x86_64.rpm |
| almalinux | 9 | ppc64le | varnish-docs | < 6.6.2-3.el9_2.1 | varnish-docs-6.6.2-3.el9_2.1.ppc64le.rpm |
| almalinux | 9 | ppc64le | varnish | < 6.6.2-3.el9_2.1 | varnish-6.6.2-3.el9_2.1.ppc64le.rpm |
| almalinux | 9 | aarch64 | varnish | < 6.6.2-3.el9_2.1 | varnish-6.6.2-3.el9_2.1.aarch64.rpm |
| almalinux | 9 | aarch64 | varnish-docs | < 6.6.2-3.el9_2.1 | varnish-docs-6.6.2-3.el9_2.1.aarch64.rpm |
| almalinux | 9 | s390x | varnish | < 6.6.2-3.el9_2.1 | varnish-6.6.2-3.el9_2.1.s390x.rpm |
| almalinux | 9 | s390x | varnish-docs | < 6.6.2-3.el9_2.1 | varnish-docs-6.6.2-3.el9_2.1.s390x.rpm |
| almalinux | 9 | i686 | varnish-devel | < 6.6.2-3.el9_2.1 | varnish-devel-6.6.2-3.el9_2.1.i686.rpm |
Related
nessus
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RHEL 9 : nodejs (RHSA-2023:5765)
2023-10-17 00:00:00
Oracle Linux 8 : nodejs:16 (ELSA-2023-5850)
2023-10-23 00:00:00
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2023-10-19 00:00:00
redhat
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(RHSA-2023:5769) Important: nghttp2 security update
2023-10-17 08:52:38
(RHSA-2023:5924) Important: varnish security update
2023-10-19 12:19:57
oraclelinux
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2023-10-18 00:00:00
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2023-10-18 00:00:00
dotnet6.0 security update
2023-10-18 00:00:00
atlassian
atlassian
osv
osv
BIT-contour-2023-44487
2024-03-06 10:50:58
h2o - security update
2023-10-29 00:00:00
BIT-envoy-2023-44487
2024-03-06 10:52:27
almalinux
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Important: nghttp2 security update
2023-10-18 00:00:00
Important: varnish security update
2023-10-23 00:00:00
Important: dotnet6.0 security update
2023-10-16 00:00:00
debian
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[SECURITY] [DLA 3617-2] tomcat9 regression update
2023-10-16 22:23:23
[SECURITY] [DLA 3638-1] h2o security update
2023-10-31 14:09:23
[SECURITY] [DSA 5522-3] tomcat9 regression update
2023-10-16 21:36:38
cbl_mariner
cbl_mariner
openvas
openvas
Huawei EulerOS: Security Advisory for nghttp2 (EulerOS-SA-2023-3282)
2023-12-12 00:00:00
Huawei EulerOS: Security Advisory for nghttp2 (EulerOS-SA-2024-1092)
2024-01-09 00:00:00
Huawei EulerOS: Security Advisory for nghttp2 (EulerOS-SA-2024-1365)
2024-03-14 00:00:00
amazon
amazon
Important: nghttp2
2023-10-16 13:45:00
Important: nginx
2023-10-16 13:45:00
rocky
rocky
varnish security update
2023-10-24 18:36:42
varnish security update
2023-10-24 18:35:47
nodejs security update
2023-10-24 18:36:46
fedora
fedora
[SECURITY] Fedora 39 Update: proxygen-2023.10.16.00-1.fc39
2023-11-03 19:01:54
[SECURITY] Fedora 38 Update: wangle-2023.10.16.00-1.fc38
2023-10-24 01:23:49
[SECURITY] Fedora 38 Update: fbthrift-2023.10.16.00-1.fc38
2023-10-24 01:23:49
redos
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ROS-20231107-01
2023-11-07 00:00:00
ROS-20240402-07
2024-04-02 00:00:00
ibm
ibm
veracode
veracode
Denial Of Service (DoS)
2023-10-12 14:37:40
githubexploit
githubexploit
Exploit for Uncontrolled Resource Consumption in Ietf Http
2023-12-11 23:12:03
Exploit for Uncontrolled Resource Consumption in Ietf Http
2023-10-16 11:07:50
Exploit for Uncontrolled Resource Consumption in Ietf Http
2023-11-10 08:38:51
github
github
HTTP/2 Stream Cancellation Attack
2023-10-10 21:28:24
io.netty:netty-codec-http2 vulnerable to HTTP/2 Rapid Reset Attack
2023-10-10 22:22:54
github.com/kumahq/kuma affected by CVE-2023-44487
2023-10-17 12:41:55
freebsd
freebsd
varnish -- HTTP/2 Rapid Reset Attack
2023-11-13 00:00:00
ubuntu
ubuntu
.NET vulnerability
2023-10-10 00:00:00
nghttp2 vulnerability
2023-11-22 00:00:00
impervablog
impervablog
Protecting Against HTTP/2 Rapid Reset: CVE-2023-44487
2023-10-10 12:24:39
f5
f5
K000137106 : HTTP/2 vulnerability CVE-2023-44487
2023-10-10 00:00:00
hivepro
hivepro
HTTP2 Zero-Day Exploited for the Most Explosive DDoS Attacks
2023-10-12 08:09:28
cloudfoundry
cloudfoundry
USN-6505-1: nghttp2 vulnerability | Cloud Foundry
2024-03-18 00:00:00
7.5 High
CVSS3
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
0.732 High
EPSS
Percentile
98.1%
Related for ALSA-2023:5924