GHSA-ffhg-7mh4-33c4

    Dashboard / Vulnerabilities / GHSA-ffhg-7mh4-33c4

    GHSA-ffhg-7mh4-33c4

    Published: 18 May 2021Last Modified: 10 Sept 2026

    Summary: Improper Verification of Cryptographic Signature in golang.org/x/crypto

    Details: 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.

    References: https://nvd.nist.gov/vuln/detail/CVE-2020-9283, https://github.com/golang/crypto/commit/bac4c82f69751a6dd76e702d54b3ceb88adab236, https://github.com/golang/crypto, https://go.dev/cl/220357, https://go.googlesource.com/crypto/+/bac4c82f69751a6dd76e702d54b3ceb88adab236, https://groups.google.com/forum/#!topic/golang-announce/3L45YRc91SY, https://groups.google.com/g/golang-announce/c/3L45YRc91SY, https://lists.debian.org/debian-lts-announce/2020/10/msg00014.html, https://lists.debian.org/debian-lts-announce/2020/11/msg00027.html, https://lists.debian.org/debian-lts-announce/2020/11/msg00031.html, https://pkg.go.dev/vuln/GO-2020-0012, https://www.exploit-db.com/exploits/48121, http://packetstormsecurity.com/files/156480/Go-SSH-0.0.2-Denial-Of-Service.html

    Affected packages

    Package

    Name: golang.org/x/crypto

    Purl: pkg:golang/golang.org/x/crypto

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.0.0-20200220183623-bac4c82f6975

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-ffhg-7mh4-33c4 | CVE-DB