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CVE-2019-3862

CVE-2019-3862

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

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit status message and no payload are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

CVSS 7.3 · High · EPSS 7.9% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • libssh2

    Versions
    • 1.8.1: Affected

    No fix published

  • libssh2 Debian:12

    Affected ranges
    • ECOSYSTEM: < 1.8.0-2.1

    Update to 1.8.0-2.1

  • libssh2 Debian:13

    Affected ranges
    • ECOSYSTEM: < 1.8.0-2.1

    Update to 1.8.0-2.1

  • libssh2 Debian:14

    Affected ranges
    • ECOSYSTEM: < 1.8.0-2.1

    Update to 1.8.0-2.1

  • libssh2 Ubuntu:Pro:14.04:LTS

    Versions
    • 1.4.3-1
    • 1.4.3-2
    • 1.4.3-2ubuntu0.1
    • 1.4.3-2ubuntu0.2
    • 1.4.3-2ubuntu0.2+esm1
    Affected ranges
    • ECOSYSTEM: < 1.4.3-2ubuntu0.2+esm2

    Update to 1.4.3-2ubuntu0.2+esm2

  • libssh2 Ubuntu:Pro:16.04:LTS

    Versions
    • 1.5.0-2
    • 1.5.0-2ubuntu0.1
    Affected ranges
    • ECOSYSTEM: < 1.5.0-2ubuntu0.1+esm1

    Update to 1.5.0-2ubuntu0.1+esm1

  • libssh2 Ubuntu:Pro:18.04:LTS

    Versions
    • 1.8.0-1
    • 1.8.0-1ubuntu0.1
    • 1.8.0-1ubuntu0.1+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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