High severity · published Feb 20, 2020
CVE-2020-9283
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
7.5
CVSS
20.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)20.9% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
PS
Package Ssh · Golang
0.0.0-20200220183623-bac4c82f6975 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-9283
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-9283
Exploit
http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html
groups.google.com
https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY
Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html
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