The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - ruby: Fiddle::Function.new heap buffer overflow (CVE-2016-2339)

  - DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens     libraries with tainted names. (CVE-2009-5147)

  - verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before     2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof     servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity,     and (4) non-ASCII characters. (CVE-2015-1855)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

Update to Ruby 2.2.4 including security fix for CVE-2009-5147 and CVE-2015-7551.

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 5 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - ruby: Command injection vulnerability in Net::FTP (CVE-2017-17405)

  - ruby: OpenSSL::X509::Name equality check does not work correctly (CVE-2018-16395)

  - DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens     libraries with tainted names. (CVE-2009-5147)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0583 advisory.

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

    The following packages have been upgraded to a later upstream version: rh-ruby22-ruby (2.2.9), rh-     ruby22-rubygems (2.4.5.4), rh-ruby22-rubygem-psych (2.0.8.1), rh-ruby22-rubygem-json (1.8.1.1).
    (BZ#1549646)

    Security Fix(es):

    * ruby: Command injection vulnerability in Net::FTP (CVE-2017-17405)

    * ruby: Buffer underrun vulnerability in Kernel.sprintf (CVE-2017-0898)

    * rubygems: Arbitrary file overwrite due to incorrect validation of specification name (CVE-2017-0901)

    * rubygems: DNS hijacking vulnerability (CVE-2017-0902)

    * rubygems: Unsafe object deserialization through YAML formatted gem specifications (CVE-2017-0903)

    * ruby: Escape sequence injection vulnerability in the Basic authentication of WEBrick (CVE-2017-10784)

    * ruby: Buffer underrun in OpenSSL ASN1 decode (CVE-2017-14033)

    * ruby: DL::dlopen could open a library with tainted library name (CVE-2009-5147, CVE-2015-7551)

    * rubygems: Escape sequence in the summary field of gemspec (CVE-2017-0899)

    * rubygems: No size limit in summary length of gem spec (CVE-2017-0900)

    * ruby: Arbitrary heap exposure during a JSON.generate call (CVE-2017-14064)

    * ruby: Command injection in lib/resolv.rb:lazy_initialize() allows arbitrary code execution     (CVE-2017-17790)

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

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3365-1 advisory.

    It was discovered that Ruby DL::dlopen incorrectly handled opening libraries. An attacker could possibly     use this issue to open libraries with tainted names. This issue only applied to Ubuntu 14.04 LTS.
    (CVE-2009-5147)

    Tony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby OpenSSL extension incorrectly     handled hostname wildcard matching. This issue only applied to Ubuntu 14.04 LTS. (CVE-2015-1855)

    Christian Hofstaedtler discovered that Ruby Fiddle::Handle incorrectly handled certain crafted strings. An     attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. This issue     only applied to Ubuntu 14.04 LTS. (CVE-2015-7551)

    It was discovered that Ruby Net::SMTP incorrectly handled CRLF sequences. A remote attacker could possibly     use this issue to inject SMTP commands. (CVE-2015-9096)

    Marcin Noga discovered that Ruby incorrectly handled certain arguments in a TclTkIp class method. An     attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04     LTS. (CVE-2016-2337)

    It was discovered that Ruby Fiddle::Function.new incorrectly handled certain arguments. An attacker could     possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS.
    (CVE-2016-2339)

    It was discovered that Ruby incorrectly handled the initialization vector (IV) in GCM mode. An attacker     could possibly use this issue to bypass encryption. (CVE-2016-7798)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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

'sheepman' fixed a vulnerability in Ruby 1.8: DL::dlopen could open a library with tainted name even if $SAFE > 0.

For Debian 6 'Squeeze', this issue has been fixed in ruby1.8 1.8.7.302-2squeeze5.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

'sheepman' fixed a vulnerability in Ruby 1.9.1: DL::dlopen could open a library with tainted name even if $SAFE > 0.

For Debian 6 'Squeeze', this issue has been fixed in ruby1.9.1 1.9.2.0-2+deb6u7

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - ruby: Command injection vulnerability in Net::FTP (CVE-2017-17405)

  - ruby: OpenSSL::X509::Name equality check does not work correctly (CVE-2018-16395)

  - DL::dlopen in Ruby 1.8, 1.9.0, 1.9.2, 1.9.3, 2.0.0 before patchlevel 648, and 2.1 before 2.1.8 opens     libraries with tainted names. (CVE-2009-5147)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

The remote Redhat Enterprise Linux 4 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched.

  - ruby: DL::dlopen could open a library with tainted library name (CVE-2009-5147, CVE-2015-7551)

  - The REXML parser in Ruby 1.9.x before 1.9.3-p550, 2.0.x before 2.0.0-p594, and 2.1.x before 2.1.4 allows     remote attackers to cause a denial of service (memory consumption) via a crafted XML document, aka an XML     Entity Expansion (XEE) attack. (CVE-2014-8080)

  - The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x     before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted     XML document containing an empty string in an entity that is used in a large number of nested entity     references, aka an XML Entity Expansion (XEE) attack. NOTE: this vulnerability exists because of an     incomplete fix for CVE-2013-1821 and CVE-2014-8080. (CVE-2014-8090)

Note that Nessus has not tested for these issues but has instead relied on the package manager's report that the package is installed.

ID	Name	Product	Family	Published	Updated	Severity
198343	RHEL 7 : ruby (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	10/5/2024	critical
89454	Fedora 23 : ruby-2.2.4-47.fc23 (2015-eef21b972e)	Nessus	Fedora Local Security Checks	3/4/2016	1/11/2021	high
198386	RHEL 5 : ruby (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	10/5/2024	critical
89397	Fedora 22 : ruby-2.2.4-47.fc22 (2015-c4409eb73a)	Nessus	Fedora Local Security Checks	3/4/2016	1/11/2021	high
194057	RHEL 6 / 7 : rh-ruby22-ruby (RHSA-2018:0583)	Nessus	Red Hat Local Security Checks	4/27/2024	11/5/2024	critical
101974	Ubuntu 14.04 LTS / 16.04 LTS : Ruby vulnerabilities (USN-3365-1)	Nessus	Ubuntu Local Security Checks	7/26/2017	8/27/2024	critical
85654	Debian DLA-299-1 : ruby1.8 security update	Nessus	Debian Local Security Checks	8/27/2015	1/11/2021	high
85655	Debian DLA-300-1 : ruby1.9.1 security update	Nessus	Debian Local Security Checks	8/27/2015	1/11/2021	high
198387	RHEL 6 : ruby (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	10/5/2024	critical
198420	RHEL 4 : ruby (Unpatched Vulnerability)	Nessus	Red Hat Local Security Checks	6/3/2024	10/5/2024	high

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