The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2028 advisory.

    Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text     files and to perform system management tasks.

    Security Fix(es):

    * ruby: HTTP response splitting in WEBrick (CVE-2017-17742)

    * ruby: DoS by large request in WEBrick (CVE-2018-8777)

    * ruby: Buffer under-read in String#unpack (CVE-2018-8778)

    * ruby: Unintentional directory traversal by poisoned NULL byte in Dir (CVE-2018-8780)

    * ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives     (CVE-2018-16396)

    * rubygems: Path traversal when writing to a symlinked basedir outside of the root (CVE-2018-1000073)

    * rubygems: Unsafe Object Deserialization Vulnerability in gem owner allowing arbitrary code execution on     specially crafted YAML (CVE-2018-1000074)

    * rubygems: Improper verification of signatures in tarball allows to install mis-signed gem     (CVE-2018-1000076)

    * rubygems: Missing URL validation on spec home attribute allows malicious gem to set an invalid homepage     URL (CVE-2018-1000077)

    * rubygems: XSS vulnerability in homepage attribute when displayed via gem server (CVE-2018-1000078)

    * rubygems: Path traversal issue during gem installation allows to write to arbitrary filesystem locations     (CVE-2018-1000079)

    * ruby: Unintentional file and directory creation with directory traversal in tempfile and tmpdir     (CVE-2018-6914)

    * ruby: Unintentional socket creation by poisoned NULL byte in UNIXServer and UNIXSocket (CVE-2018-8779)

    * rubygems: Infinite loop vulnerability due to negative size in tar header causes Denial of Service     (CVE-2018-1000075)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.7 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

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RHEL 7 : ruby (RHSA-2019:2028)

critical Nessus Plugin ID 127649

Version 1.7