CVE-2020-9283

Aliases:GHSA-ffhg-7mh4-33c4GO-2020-0012RHBA-2020:3179DEBIAN-CVE-2020-9283CGA-g73m-359g-3f2rCGA-j8ww-q5vr-7q62CGA-mg5r-w896-4m2xCGA-mgxx-jpw3-53h6CGA-2rgc-v5mr-77gcCGA-4pjq-mr69-f8ppCGA-whx2-vxg5-grvpCGA-x7r5-q92f-557h
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
20.52% HIGH
21% probability +1.84%
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
  • v3.1MEDIUMScore: 5.3CVSS:3.1/AV:N/AC:H/PR:N/UI:R/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: 20.52% Percentile: 97%

Techniques & Countermeasures

  • CWE-347Improper Verification of Cryptographic Signature

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

Affected Systems

  • chainguarddex-k8s-authenticator

    < 0

  • chainguardk3d

    < 5.6.0-r11

  • chainguardk3d-proxy

    < 5.6.0-r11

  • chainguardk3d-tools

    < 5.6.0-r11

  • wolfik3d

    < 5.6.0-r11

  • wolfik3d-proxy

    < 5.6.0-r11

  • wolfik3d-tools

    < 5.6.0-r11

  • debiangolang-go.crypto

    < 1:0.0~git20200221.2aa609c-1 | < 1:0.0~git20200221.2aa609c-1 | < 1:0.0~git20200221.2aa609c-1 | < 1:0.0~git20200221.2aa609c-1

  • debiandebian_linux

    9.0

  • golang.org/xcrypto

    < 0.0.0-20200220183623-bac4c82f6975

  • golangpackage_ssh

    0.0.0-20200220183623-bac4c82f6975

  • redhatopenshift-clients

    < 0:4.3.31-202007250052.p0.git.3329.59998b9.el7 | < 0:4.3.31-202007250052.p0.git.3329.59998b9.el8

  • redhatopenshift-clients-redistributable

    < 0:4.3.31-202007250052.p0.git.3329.59998b9.el7 | < 0:4.3.31-202007250052.p0.git.3329.59998b9.el8

References (22)