high
7.5
CWE
20 295
Advisory Published
CVE Published
Updated

CVE-2020-28362: Input Validation

First published: Thu Nov 12 2020(Updated: )

A flaw was found in the math/big package of Go's standard library that causes a denial of service. Applications written in Go that use math/big via cryptographic packages, including crypto/rsa and crypto/x509, are vulnerable and can potentially cause panic via a crafted certificate chain. The highest threat from this vulnerability is to system availability.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/openshift-serverless-clients<0:0.18.4-2.el8
0:0.18.4-2.el8
redhat/kiali<0:v1.24.4.redhat2-1.el8
0:v1.24.4.redhat2-1.el8
redhat/go-toolset<1.14-0:1.14.12-1.el7_9
1.14-0:1.14.12-1.el7_9
redhat/go-toolset<1.14-golang-0:1.14.12-1.el7_9
1.14-golang-0:1.14.12-1.el7_9
redhat/cri-o<0:1.19.1-2.rhaos4.6.git2af9ecf.el8
0:1.19.1-2.rhaos4.6.git2af9ecf.el8
redhat/openshift<0:4.6.0-202012190744.p0.git.94235.c62c6f7.el8
0:4.6.0-202012190744.p0.git.94235.c62c6f7.el8
redhat/openshift-clients<0:4.6.0-202012172338.p0.git.3800.30af700.el7
0:4.6.0-202012172338.p0.git.3800.30af700.el7
redhat/skopeo<1:1.1.1-3.rhaos4.6.el8
1:1.1.1-3.rhaos4.6.el8
redhat/openshift-eventrouter<0:0.2-6.git7c289cc.el8
0:0.2-6.git7c289cc.el8
redhat/cri-tools<0:1.20.0-2.el8
0:1.20.0-2.el8
redhat/runc<0:1.0.0-95.rhaos4.8.gitcd80260.el8
0:1.0.0-95.rhaos4.8.gitcd80260.el8
redhat/ignition<0:2.9.0-2.rhaos4.7.git1d56dc8.el8
0:2.9.0-2.rhaos4.7.git1d56dc8.el8
redhat/golang-github-prometheus-promu<0:0.5.0-3.git642a960.el8
0:0.5.0-3.git642a960.el8
redhat/mcg<0:5.7.0-69.85e2026.5.7.el8
0:5.7.0-69.85e2026.5.7.el8
Golang Go<1.14.12
Golang Go>=1.15<1.15.5
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Netapp Cloud Insights Telegraf Agent
Netapp Trident
IBM Cloud Pak for Security<=1.10.0.0 - 1.10.11.0
IBM QRadar Suite Software<=1.10.12.0 - 1.10.16.0

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2020-28362?

    The severity of CVE-2020-28362 is high.

  • Which software versions are affected by CVE-2020-28362?

    Go versions before 1.14.12 and 1.15.x before 1.15.4 are affected.

  • How does CVE-2020-28362 cause a denial of service?

    CVE-2020-28362 causes a denial of service by allowing an attacker to craft a certificate chain that can trigger a panic in applications using math/big via cryptographic packages.

  • How can I fix CVE-2020-28362?

    To fix CVE-2020-28362, update to Go version 1.15.5 or 1.14.12, depending on the affected version.

  • Where can I find more information about CVE-2020-28362?

    You can find more information about CVE-2020-28362 on the CVE website (CVE-2020-28362), the NVD (CVE-2020-28362), and the Red Hat bugzilla and errata pages.

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