CVE-2020-9283

Aliases:GHSA-ffhg-7mh4-33c4GO-2020-0012
Advisory lineage Upstream: 0 Downstream: 9
Modified
Published: 20 Feb 2020, 00:00
Last modified:04 Aug 2024, 10:26

Vulnerability Summary

Overall Risk (default)
medium
44/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
18.68% MEDIUM
19% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected

Timeline

20 Feb 2020, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 10:26
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1HIGHScore: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0MEDIUMScore: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 18.68% Percentile: 95%

Techniques & Countermeasures

  • CWE-347Improper Verification of Cryptographic Signature

    The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected Systems

  • debiandebian_linux

    9.0

  • golang.org/xcrypto

    < 0.0.0-20200220183623-bac4c82f6975

  • golangpackage_ssh

    0.0.0-20200220183623-bac4c82f6975

References (15)