high
7.5
CWE
20
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2021-43565: Input Validation

First published: Thu Dec 02 2021(Updated: )

The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an unauthenticated attacker to panic an SSH server.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/kiali<0:v1.24.7.redhat1-1.el8
0:v1.24.7.redhat1-1.el8
redhat/cri-o<0:1.24.1-11.rhaos4.11.gitb0d2ef3.el8
0:1.24.1-11.rhaos4.11.gitb0d2ef3.el8
redhat/openshift<0:4.11.0-202207082037.p0.g9546431.assembly.stream.el8
0:4.11.0-202207082037.p0.g9546431.assembly.stream.el8
redhat/podman<2:4.0.2-6.rhaos4.11.el8
2:4.0.2-6.rhaos4.11.el8
redhat/mcg<0:5.10.0-72.el8
0:5.10.0-72.el8
Golang Ssh<0.0.0-20211202192323-5770296d904e
go/golang.org/x/crypto<0.0.0-20211202192323-5770296d904e
0.0.0-20211202192323-5770296d904e

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-43565?

    CVE-2021-43565 is a vulnerability in the x/crypto/ssh package of golang.org/x/crypto that allows an unauthenticated attacker to panic an SSH server.

  • What is the severity of CVE-2021-43565?

    The severity of CVE-2021-43565 is high with a score of 7.5.

  • How does CVE-2021-43565 affect golang.org/x/crypto?

    CVE-2021-43565 affects golang.org/x/crypto by allowing an unauthenticated attacker to panic an SSH server.

  • How do I fix CVE-2021-43565?

    To fix CVE-2021-43565, update to version 0.0.0-20211202192323-5770296d904e or later of the x/crypto/ssh package from golang.org/x/crypto.

  • Are there any references for CVE-2021-43565?

    Yes, you can find more information about CVE-2021-43565 at the following references: [CVE-2021-43565](https://www.cve.org/CVERecord?id=CVE-2021-43565), [NVD](https://nvd.nist.gov/vuln/detail/CVE-2021-43565), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=2030787), [Red Hat Security Advisory](https://access.redhat.com/errata/RHSA-2022:1276).

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