CVE-2020-9283
HIGH7.5EPSS 18.7%packer - security update
Published: 5/18/2021Modified: 4/28/2026
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.
Affected packages (5)
- Debian/golang-go.cryptofrom 0, < 1:0.0~git20200221.2aa609c-1
- Debian/packerfrom 0, < 0.10.2+dfsg-6+deb9u1
- Debian/resticfrom 0, < 0.3.3-1+deb9u1
- Go/golang.org/x/cryptofrom 0, < 0.0.0-20200220183623-bac4c82f6975
- Go/golang.org/x/cryptofrom 0, < 0.0.0-20200220183623-bac4c82f6975
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (14)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-9283
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-9283
- PATCHhttps://github.com/golang/crypto
- WEBhttp://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html
- WEBhttps://github.com/golang/crypto/commit/bac4c82f69751a6dd76e702d54b3ceb88adab236
- WEBhttps://go.dev/cl/220357
- WEBhttps://go.googlesource.com/crypto/+/bac4c82f69751a6dd76e702d54b3ceb88adab236
- WEBhttps://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY
- WEBhttps://groups.google.com/g/golang-announce/c/3L45YRc91SY
- WEBhttps://lists.debian.org/debian-lts-announce/2020/10/msg00014.html
- WEBhttps://lists.debian.org/debian-lts-announce/2020/11/msg00027.html
- WEBhttps://lists.debian.org/debian-lts-announce/2020/11/msg00031.html
- WEBhttps://pkg.go.dev/vuln/GO-2020-0012
- WEBhttps://www.exploit-db.com/exploits/48121