Rocky Linux 8 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc Multiple Vulnerabilities (crlsa-2021_2587)

high Nessus Plugin ID 358228

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2021_2587 advisory.

* ruby: NUL injection vulnerability of File.fnmatch and File.fnmatch? (CVE-2019-15845)

* ruby: Regular expression denial of service vulnerability of WEBrick's Digest authentication (CVE-2019-16201)

* ruby: Code injection via command argument of Shell#test / Shell#[] (CVE-2019-16255)

* rubygem-json: Unsafe object creation vulnerability in JSON (CVE-2020-10663)

* ruby: BasicSocket#read_nonblock method leads to information disclosure (CVE-2020-10933)

* ruby: Potential HTTP request smuggling in WEBrick (CVE-2020-25613)

* ruby: XML round-trip vulnerability in REXML (CVE-2021-28965)

* ruby: HTTP response splitting in WEBrick (CVE-2019-16254)

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

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

Solution

Update the affected packages based on the guidance in CIQ advisory crlsa-2021_2587.

See Also

https://access.redhat.com/errata/RHSA-2021:2587

https://bugzilla.redhat.com/show_bug.cgi?id=1773728

https://bugzilla.redhat.com/show_bug.cgi?id=1789407

https://bugzilla.redhat.com/show_bug.cgi?id=1789556

https://bugzilla.redhat.com/show_bug.cgi?id=1793683

https://bugzilla.redhat.com/show_bug.cgi?id=1827500

https://bugzilla.redhat.com/show_bug.cgi?id=1833291

https://bugzilla.redhat.com/show_bug.cgi?id=1883623

https://bugzilla.redhat.com/show_bug.cgi?id=1947526

https://bugzilla.redhat.com/show_bug.cgi?id=1952626

https://bugzilla.redhat.com/show_bug.cgi?id=1955010

https://errata.build.resf.org/RLSA-2021:2587

http://www.nessus.org/u?1131546e

http://www.nessus.org/u?a5584cee

Plugin Details

Severity: High

ID: 358228

File Name: ciq_rocky_linux_8_crlsa-2021_2587.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-16255

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Required KB Items: Host/OS/extended-third-party, Host/local_checks_enabled, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/29/2021

Vulnerability Publication Date: 11/26/2019

Reference Information

CVE: CVE-2019-15845, CVE-2019-16201, CVE-2019-16254, CVE-2019-16255, CVE-2020-10663, CVE-2020-10933, CVE-2020-25613, CVE-2021-28965