CVE-2020-29652

Aliases:GHSA-3vm4-22fp-5rfmGO-2021-0227DEBIAN-CVE-2020-29652CGA-4x4r-2m92-88w3CGA-ff49-x95w-66jjCGA-gpxj-vqxf-2xxxCGA-c72p-5mw9-q64qCGA-rv7p-6jqh-crjvCGA-vw3m-7p27-7rh2CGA-wqjf-v6q4-92vhCGA-x5xr-c8c5-c5v4
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 17 Dec 2020, 04:12
Last modified:04 Aug 2024, 16:55

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
3.27% LOW
3% probability +3.23%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Dec 2020, 04:12
Published
Vulnerability first disclosed
04 Aug 2024, 16:55
Last Modified
Vulnerability information updated

Description

A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.

CVSS Metrics

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

EPSS Trends

Current EPSS score: 3.27%• Percentile: 88%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • chainguard•dex-k8s-authenticator

    < 0

  • chainguard•k3d

    < 5.6.0-r11

  • chainguard•k3d-proxy

    < 5.6.0-r11

  • chainguard•k3d-tools

    < 5.6.0-r11

  • wolfi•k3d

    < 5.6.0-r11

  • wolfi•k3d-proxy

    < 5.6.0-r11

  • wolfi•k3d-tools

    < 5.6.0-r11

  • debian•golang-go.crypto

    < 1:0.0~git20201221.eec23a3-1 | < 1:0.0~git20201221.eec23a3-1 | < 1:0.0~git20201221.eec23a3-1 | < 1:0.0~git20201221.eec23a3-1

  • golang.org/x•crypto

    < 0.0.0-20201216223049-8b5274cf687f

  • golang•ssh

    ≤ 0.0.0-20201203163018-be400aefbc4c

References (9)