{"id":"UBUNTU-CVE-2020-9283","details":"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.","modified":"2025-10-24T04:48:20Z","published":"2020-02-20T20:15:00Z","upstream":["CVE-2020-9283"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-9283"},{"type":"REPORT","url":"http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html"},{"type":"REPORT","url":"https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-9283"}],"affected":[{"package":{"name":"golang-go.crypto","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0~git20150608-1","1:0.0~git20151201.0.7b85b09-2","1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm1","binary_name":"golang-go.crypto-dev"},{"binary_version":"1:0.0~git20151201.0.7b85b09-2ubuntu0.1~esm1","binary_name":"golang-golang-x-crypto-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9283.json"}},{"package":{"name":"golang-go.crypto","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/golang-go.crypto@1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.0~git20170629.0.5ef0053-1ubuntu1","1:0.0~git20170629.0.5ef0053-1ubuntu2","1:0.0~git20170629.0.5ef0053-2","1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm1","binary_name":"golang-go.crypto-dev"},{"binary_version":"1:0.0~git20170629.0.5ef0053-2ubuntu0.1~esm1","binary_name":"golang-golang-x-crypto-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9283.json"}},{"package":{"name":"mongo-tools","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mongo-tools@3.6.3-0ubuntu1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.11-1","3.2.11-1ubuntu1","3.4.14-1","3.4.14-2","3.6.3-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.3-0ubuntu1","binary_name":"mongo-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9283.json"}},{"package":{"name":"mongo-tools","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mongo-tools@3.6.3-0ubuntu1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.3-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.3-0ubuntu1","binary_name":"mongo-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-9283.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}