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CVE-2023-6004

CVE-2023-6004 · Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.

CVSS 4.8 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • red hat enterprise linux 8

    Versions
    • ≥ 0:0.9.6-14.el8: Not affected (rpm)

    No fix published

  • red hat enterprise linux 9

    Versions
    • ≥ 0:0.10.4-13.el9: Not affected (rpm)

    No fix published

  • red hat enterprise linux 7

    No fix published

  • libssh Debian:12

    Versions
    • 0.10.5-2
    • 0.10.5-3
    • 0.10.5-3+hurd.1
    Affected ranges
    • ECOSYSTEM: < 0.10.6-0+deb12u1

    Update to 0.10.6-0+deb12u1

  • libssh Debian:13

    Affected ranges
    • ECOSYSTEM: < 0.10.6-1

    Update to 0.10.6-1

  • libssh Debian:14

    Affected ranges
    • ECOSYSTEM: < 0.10.6-1

    Update to 0.10.6-1

  • libssh Ubuntu:Pro:16.04:LTS

    Versions
    • 0.6.3-3ubuntu3
    • 0.6.3-4.1
    • 0.6.3-4.2
    • 0.6.3-4.2ubuntu1
    • 0.6.3-4.3
    • 0.6.3-4.3ubuntu0.1
    • 0.6.3-4.3ubuntu0.2
    • 0.6.3-4.3ubuntu0.5
    • 0.6.3-4.3ubuntu0.6
    Affected ranges
    • ECOSYSTEM: < 0.6.3-4.3ubuntu0.6+esm1

    Update to 0.6.3-4.3ubuntu0.6+esm1

  • libssh Ubuntu:Pro:18.04:LTS

    Versions
    • 0.7.5-1
    • 0.8.0~20170825.94fa1e38-1
    • 0.8.0~20170825.94fa1e38-1build1
    • 0.8.0~20170825.94fa1e38-1ubuntu0.1
    • 0.8.0~20170825.94fa1e38-1ubuntu0.2
    • 0.8.0~20170825.94fa1e38-1ubuntu0.5
    • 0.8.0~20170825.94fa1e38-1ubuntu0.6
    • 0.8.0~20170825.94fa1e38-1ubuntu0.7
    Affected ranges
    • ECOSYSTEM: < 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3

    Update to 0.8.0~20170825.94fa1e38-1ubuntu0.7+esm3

  • libssh Ubuntu:20.04:LTS

    Versions
    • 0.9.0-1ubuntu1
    • 0.9.0-1ubuntu4
    • 0.9.0-1ubuntu5
    • 0.9.3-2ubuntu1
    • 0.9.3-2ubuntu2
    • 0.9.3-2ubuntu2.1
    • 0.9.3-2ubuntu2.2
    • 0.9.3-2ubuntu2.3
    • 0.9.3-2ubuntu2.4
    Affected ranges
    • ECOSYSTEM: < 0.9.3-2ubuntu2.5

    Update to 0.9.3-2ubuntu2.5

  • libssh Ubuntu:22.04:LTS

    Versions
    • 0.9.6-1
    • 0.9.6-1build1
    • 0.9.6-2
    • 0.9.6-2build1
    • 0.9.6-2ubuntu0.22.04.1
    • 0.9.6-2ubuntu0.22.04.2
    Affected ranges
    • ECOSYSTEM: < 0.9.6-2ubuntu0.22.04.3

    Update to 0.9.6-2ubuntu0.22.04.3

Original sources

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