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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html	Exploit Third Party Advisory VDB Entry
https://groups.google.com/forum/#%21topic/golang-announce/3L45YRc91SY
https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/06/msg00017.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:golang:package_ssh:0.0.0-20200220183623-bac4c82f6975:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-02-20 20:15

Updated : 2023-11-07 03:26

NVD link : CVE-2020-9283

Mitre link : CVE-2020-9283

CVE.ORG link : CVE-2020-9283

JSON object : View

Products Affected

debian

debian_linux

golang

package_ssh

CWE

CWE-347

Improper Verification of Cryptographic Signature

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