New ruby packages are available for Slackware 14.2 and -current to fix security issues.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-2028 advisory.

    - Introduce 'Gem::UserInteraction#verbose' method as precondition to fix       CVE-2019-8321.
      * rubygems-2.3.0-refactor-checking-really_verbose.patch
    - Fix escape sequence injection vulnerability in gem owner.
      Resolves: CVE-2019-8322
    - Fix escape sequence injection vulnerability in API response handling.
      Resolves: CVE-2019-8323
    - Prohibit arbitrary code execution when installing a malicious gem.
      Resolves: CVE-2019-8324

Tenable has extracted the preceding description block directly from the Oracle 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 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.

The remote Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3730 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-ruby24-ruby (2.4.5), rh-     ruby24-rubygems (2.6.14.3), rh-ruby24-rubygem-bigdecimal (1.3.2), rh-ruby24-rubygem-openssl (2.0.9).
    (BZ#1650590)

    Security Fix(es):

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

    * 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, 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 Redhat Enterprise Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3729 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-ruby23-ruby (2.3.8), rh-     ruby23-rubygems (2.5.2.3). (BZ#1650591)

    Security Fix(es):

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

    * 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, 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-3626-1 advisory.

    It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to     execute arbitrary code. (CVE-2018-6914)

    It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to     access sensitive information. (CVE-2018-8778, CVE-2018-8780)

    It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to     connect to an unintended socket. (CVE-2018-8779)

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.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Directory traversal vulnerability in the Dir.mktmpdir method in the tmpdir library in Ruby before 2.2.10,     2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1 might allow attackers to     create arbitrary directories or files via a .. (dot dot) in the prefix argument. (CVE-2018-6914)

Note that Nessus relies on the presence of the package as reported by the vendor.

Several vulnerabilities have been discovered in the interpreter for the Ruby language, which may result in incorrect processing of HTTP/FTP, directory traversal, command injection, unintended socket creation or information disclosure.

This update also fixes several issues in RubyGems which could allow an attacker to use specially crafted gem files to mount cross-site scripting attacks, cause denial of service through an infinite loop, write arbitrary files, or run malicious code.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
108725	Slackware 14.2 / current : ruby (SSA:2018-088-01)	Nessus	Slackware Local Security Checks	2018/3/30	2024/11/22	critical
180804	Oracle Linux 7 : ruby (ELSA-2019-2028)	Nessus	Oracle Linux Local Security Checks	2023/9/7	2024/11/1	critical
127649	RHEL 7 : ruby (RHSA-2019:2028)	Nessus	Red Hat Local Security Checks	2019/8/12	2024/11/7	critical
194017	RHEL 6 / 7 : rh-ruby24-ruby (RHSA-2018:3730)	Nessus	Red Hat Local Security Checks	2024/4/27	2024/11/5	critical
194048	RHEL 6 / 7 : rh-ruby23-ruby (RHSA-2018:3729)	Nessus	Red Hat Local Security Checks	2024/4/27	2024/11/5	critical
183533	Ubuntu 14.04 LTS / 16.04 LTS : Ruby vulnerabilities (USN-3626-1)	Nessus	Ubuntu Local Security Checks	2023/10/20	2024/8/27	critical
222609	Linux Distros Unpatched Vulnerability : CVE-2018-6914	Nessus	Misc.	2025/3/4	2025/8/21	high
111468	Debian DSA-4259-1 : ruby2.3 - security update	Nessus	Debian Local Security Checks	2018/8/2	2024/8/30	critical

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