high
7.5
CWE
400
Advisory Published
Advisory Published
CVE Published
Updated

CVE-2022-41723: Denial of service via crafted HTTP/2 stream in net/http and golang.org/x/net

First published: Fri Feb 17 2023(Updated: )

<a href="https://access.redhat.com/security/cve/CVE-2022-41723">CVE-2022-41723</a> : net/http: avoid quadratic complexity in HPACK decoding A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests. This issue is also fixed in golang.org/x/net/http2 v0.7.0, for users manually configuring HTTP/2. <a href="https://go.dev/issue/57855">https://go.dev/issue/57855</a> <a href="https://pkg.go.dev/vuln/GO-2023-1571">https://pkg.go.dev/vuln/GO-2023-1571</a> <a href="https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E">https://groups.google.com/g/golang-announce/c/V0aBFqaFs_E</a>

Credit: security@golang.org security@golang.org security@golang.org

Affected SoftwareAffected VersionHow to fix
redhat/openshift-serverless-clients<0:1.8.1-3.el8
0:1.8.1-3.el8
redhat/openshift<0:4.13.0-202304211155.p0.gb404935.assembly.stream.el9
0:4.13.0-202304211155.p0.gb404935.assembly.stream.el9
redhat/etcd<0:3.3.23-14.el8
0:3.3.23-14.el8
redhat/skupper-cli<0:1.4.1-2.el8
0:1.4.1-2.el8
redhat/skupper-cli<0:1.4.1-2.el9
0:1.4.1-2.el9
Golang Go<1.19.6
Golang Go=1.20.0
Golang Hpack Go<0.7.0
Golang Http2 Go<0.7.0
go/golang.org/x/net<0.7.0
0.7.0
redhat/golang.org/x/net<0.7.0
0.7.0
redhat/golang<1.20.1
1.20.1
redhat/golang<1.19.6
1.19.6
IBM Concert Software<=1.0.0 - 1.0.1
debian/golang-1.15<=1.15.15-1~deb11u4
debian/golang-1.19
1.19.8-2
debian/golang-golang-x-net<=1:0.0+git20210119.5f4716e+dfsg-4
1:0.7.0+dfsg-1
1:0.27.0-1

Remedy

https://go.dev/cl/468135

Remedy

https://go.dev/cl/468295

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-41723?

    CVE-2022-41723 is a vulnerability in golang that allows a maliciously crafted HTTP/2 stream to cause excessive CPU consumption and result in a denial of service.

  • What is the severity of CVE-2022-41723?

    CVE-2022-41723 has a severity rating of 7.5, which is considered high.

  • Which software versions are affected by CVE-2022-41723?

    Openshift Serverless Clients version 1.8.1-3.el8, Openshift version 4.13.0-202304211155.p0.gb404935.assembly.stream.el9, Etcd version 3.3.23-14.el8, Skupper CLI version 1.4.1-2.el8 and 1.4.1-2.el9, Golang Go versions up to 1.19.6, Golang Go version 1.20.0, Golang Hpack version up to 0.7.0, Golang Http2 version up to 0.7.0, Golang.org/x/net version 0.7.0, Golang version 1.20.1, and Golang version 1.19.6 are affected by CVE-2022-41723.

  • How can CVE-2022-41723 be exploited?

    CVE-2022-41723 can be exploited by sending a maliciously crafted HTTP/2 stream to the vulnerable software, causing excessive CPU consumption in the HPACK decoder.

  • Is there a fix available for CVE-2022-41723?

    Yes, the fix for CVE-2022-41723 is available. Please refer to the official references for more information on how to apply the fix.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203