QID 38901

Date Published: 2023-07-19

QID 38901: OpenSSH Command Injection Vulnerability

OpenSSH (OpenBSD Secure Shell) is a set of computer programs providing encrypted communication sessions over a computer network using the SSH protocol.

OpenSSH contains the following vulnerabilities:
OpenSSH through 8.3p1 allows command injection in the scp.c toremote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows. Affected Versions:
OpenSSH versions prior to 8.3

QID Detection Logic:
This unauthenticated detection works by reviewing the version of the OpenSSH service.

Successful exploitation allows a remote attacker for command injection in the scp.c toremote function .

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Customers are advised to upgrade to OpenSSH 8.3 or later to remediate these vulnerabilities.
    Vendor References

    CVEs related to QID 38901

    CVE-2020-15778 |
    Software Advisories
    Advisory ID Software Component Link
    OpenSSH 8.3 URL Logo www.openssh.com/
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