Vulnerability in Golang Package SSH
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. A client can attack an SSH server that accepts public keys. Also, a server can attack any SSH client.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.205 (97.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.205 · newest: 0.205 · change: 0.000
Affected products
- Golang Package SSH — versions 0.0.0-20200220183623-bac4c82f6975
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/forum/
- packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html (Exploit, VDB Entry, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/10/msg00014.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/11/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/11/msg00031.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/06/msg00017.html (mailing-list)
Frequently asked questions
- What is CVE-2020-9283?
- CVE-2020-9283 is a high-severity vulnerability in Golang Package SSH, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-02-20.
- How severe is CVE-2020-9283?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-9283 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.