golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic…
Priority MEDIUM 52CWE-347Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 9 fixed, 7 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-347.
Summary
golang.org/x/crypto before v0.0.0-20200220183623-bac4c82f6975 for Go allows a panic during signature verification in the golang.org/x/crypto/ssh package. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.
Why it matters now
EPSS 0.21052 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial golang.org/x/crypto (Go): 0.0.0-20200220183623-bac4c82f6975Red Hat: 16 advisoriesRed Hat: 9 fixed, 7 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | golang.org/x/crypto (Go) | before 0.0.0-20200220183623-bac4c82f6975 | 0.0.0-20200220183623-bac4c82f6975 | Patch available | GHSA-ffhg-7mh4-33c4 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- golang.org/x/crypto (Go) Vendor— Affected before 0.0.0-20200220183623-bac4c82f6975 Fixed in 0.0.0-20200220183623-bac4c82f6975 Patch available GHSA-ffhg-7mh4-33c4
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:golang:package_ssh:0.0.0-20200220183623-bac4c82f6975:*:*:*:*:*:*:* | 0.0.0-20200220183623-bac4c82f6975 | Vulnerable | Go standard library |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:golang:package_ssh:0.0.0-20200220183623-bac4c82f6975:*:*:*:*:*:*:* Versions 0.0.0-20200220183623-bac4c82f6975 Vulnerable ·Go standard library
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
- Fix · GHSA-ffhg-7mh4-33c4 golang.org/x/crypto (Go) Fixed in 0.0.0-20200220183623-bac4c82f6975 Advisory →
Red Hat 16 advisories
- RHSA-2021:1129 Released 2021-04-08 · Red Hat rating ModerateRed Hat 3scale API Management 2.10.0 security update and release
- Red Hat 3Scale AMP 2.10 3scale-amp2/3scale-rhel7-operator, 3scale-amp2/3scale-rhel7-operator-metadata, 3scale-amp2/apicast-rhel7-operator +1
- RHSA-2021:0799 Released 2021-03-10 · Red Hat rating ModerateOpenShift Virtualization 2.6.0 security and bug fix update
- CNV 2.6 for RHEL 8 container-native-virtualization/kubevirt-cpu-model-nfd-plugin, container-native-virtualization/kubevirt-cpu-node-labeller, container-native-virtualization/kubevirt-kvm-info-nfd-plugin +2
- RHSA-2020:4298 Released 2020-10-27 · Red Hat rating ModerateOpenShift Container Platform 4.6.1 image security update
- Red Hat OpenShift Container Platform 4.6 openshift4/ose-ansible-operator, openshift4/ose-aws-machine-controllers, openshift4/ose-azure-machine-controllers +47
Show 13 more Red Hat advisories
- RHSA-2020:4264 Released 2020-10-20 · Red Hat rating LowOpenShift Container Platform 4.3.40 security and bug fix update
- Red Hat OpenShift Container Platform 4.3 openshift4/ose-aws-machine-controllers, openshift4/ose-azure-machine-controllers, openshift4/ose-baremetal-machine-controllers +47
- RHSA-2020:3809 Released 2020-09-23 · Red Hat rating ModerateOpenShift Container Platform 4.3.38 container image security update
- Red Hat OpenShift Container Platform 4.3 openshift4/ose-hyperkube, openshift4/ose-sriov-dp-admission-controller
- RHSA-2020:3414 Released 2020-08-12 · Red Hat rating LowOpenShift Container Platform 4.5.5 security update
- Red Hat OpenShift Container Platform 4.5 openshift4/ose-cluster-kube-descheduler-operator, openshift4/ose-descheduler
- RHSA-2020:3372 Released 2020-08-06 · Red Hat rating ModerateRed Hat OpenShift Service Mesh 3scale-istio-adapter-rhel8-container security update
- OpenShift Service Mesh 1.0 openshift-service-mesh/3scale-istio-adapter-rhel8
- RHSA-2020:3369 Released 2020-08-06 · Red Hat rating ModerateRed Hat OpenShift Service Mesh security update
- OpenShift Service Mesh 1.1 ior-1.1.6-1.el8, servicemesh-1.1.6-1.el8, servicemesh-citadel-1.1.6-1.el8 +12
- Red Hat OpenShift Service Mesh 1.1 kiali-v1.12.10.redhat2-1.el7
- RHSA-2020:3370 Released 2020-08-06 · Red Hat rating LowRed Hat OpenShift Jaeger 1.17.6 container images security update
- Red Hat OpenShift Jaeger 1.17 distributed-tracing/jaeger-agent-rhel7, distributed-tracing/jaeger-all-in-one-rhel7, distributed-tracing/jaeger-collector-rhel7 +5
- RHSA-2020:3078 Released 2020-07-28 · Red Hat rating LowOpenShift Container Platform 4.4.14 ose-cluster-machine-approver-container security update
- Red Hat OpenShift Container Platform 4.4 openshift4/ose-cluster-machine-approver
- RHSA-2020:2878 Released 2020-07-14 · Red Hat rating LowOpenShift Container Platform 4.4.12 ose-cloud-credential-operator-container security update
- Red Hat OpenShift Container Platform 4.4 openshift4/ose-cloud-credential-operator
- RHSA-2020:2412 Released 2020-07-13 · Red Hat rating ModerateOpenShift Container Platform 4.5 container image security update
- Red Hat OpenShift Container Platform 4.5 openshift4/ose-cluster-logging-operator, openshift4/ose-console, openshift4/ose-hyperkube +2
- RHSA-2020:2413 Released 2020-07-13 · Red Hat rating ModerateOpenShift Container Platform 4.5 package security update
- Red Hat OpenShift Container Platform 4.5 machine-config-daemon-4.5.0-202007012112.p0.git.2527.d12c3da.el8, openshift-4.5.0-202007012112.p0.git.0.582d7fc.el7, openshift-4.5.0-202007012112.p0.git.0.582d7fc.el8 +2
- RHSA-2020:2789 Released 2020-07-06 · Red Hat rating LowOpenShift Container Platform 4.4.11 ose-baremetal-operator-container security update
- Red Hat OpenShift Container Platform 4.4 openshift4/ose-baremetal-rhel7-operator
- RHSA-2020:2790 Released 2020-07-06 · Red Hat rating LowOpenShift Container Platform 4.4.11 ose-azure-machine-controllers-container security update
- Red Hat OpenShift Container Platform 4.4 openshift4/ose-azure-machine-controllers
- RHSA-2020:2793 Released 2020-07-06 · Red Hat rating LowOpenShift Container Platform 4.4.11 atomic-openshift-descheduler-container security update
- Red Hat OpenShift Container Platform 4.4 openshift4/ose-descheduler
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Service Mesh 1 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet |
| Red Hat OpenShift Virtualization 1 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Virtualization 2 | Affected | No fix yet |
| Red Hat Openshift Container Storage 4 | Affected | No fix yet: Fix deferred |
| Red Hat Storage 3 | Affected | No fix yet: Fix deferred |
| OpenShift Service Mesh 1.0 | Fixed | RHSA-2020:3372 |
| OpenShift Service Mesh 1.1 | Fixed | RHSA-2020:3369 |
| Red Hat 3Scale AMP 2.10 | Fixed | RHSA-2021:1129 |
| Red Hat OpenShift Container Platform 4.3 | Fixed | RHSA-2020:3809 |
| Red Hat OpenShift Container Platform 4.4 | Fixed | RHSA-2020:2789, RHSA-2020:2790, RHSA-2020:2793, RHSA-2020:2878, RHSA-2020:3078 |
| Red Hat OpenShift Container Platform 4.5 | Fixed | RHSA-2020:2412, RHSA-2020:2413, RHSA-2020:3414 |
| Red Hat OpenShift Container Platform 4.6 | Fixed | RHSA-2020:4298 |
| Red Hat OpenShift Jaeger 1.17 | Fixed | RHSA-2020:3370 |
| Red Hat OpenShift Service Mesh 1.1 | Fixed | RHSA-2020:3369 |
Not affected: 8 products
- Red Hat Enterprise Linux 7
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 4.3
- Red Hat OpenShift Container Platform 4.5
- Red Hat OpenShift Container Platform 4.6
- Red Hat OpenShift Virtualization 2
- Red Hat Openshift Container Storage 4
- Red Hat Storage 3
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9283
- 2026-10-03 Alias added: GHSA-ffhg-7mh4-33c4
References
Advisory 4
Other 10
- https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY
- [debian-lts-announce] 20230616 [SECURITY] [DLA 3455-1] golang-go.crypto security update
- https://github.com/golang/crypto/commit/bac4c82f69751a6dd76e702d54b3ceb88adab236
- https://github.com/golang/crypto
- https://go.dev/cl/220357
- https://go.googlesource.com/crypto/+/bac4c82f69751a6dd76e702d54b3ceb88adab236
- https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY
- https://groups.google.com/g/golang-announce/c/3L45YRc91SY
- https://pkg.go.dev/vuln/GO-2020-0012
- https://www.exploit-db.com/exploits/48121
Sources
- CVE-2020-9283 · CVE Program
- CVE-2020-9283 · NVD
- FIRST EPSS
- GHSA-ffhg-7mh4-33c4 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-9283 · Red Hat security data · CC BY 4.0
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