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redhatRedHatRHSA-2022:0582
HistoryFeb 21, 2022 - 8:40 a.m.

(RHSA-2022:0582) Important: ruby:2.6 security update

2022-02-2108:40:25
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37

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.011 Low

EPSS

Percentile

83.9%

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):

  • rubygem-bundler: Dependencies of gems with explicit source may be installed from a different source (CVE-2020-36327)

  • 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)

  • rubygem-rdoc: Command injection vulnerability in RDoc (CVE-2021-31799)

  • ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host (CVE-2021-31810)

  • ruby: StartTLS stripping vulnerability in Net::IMAP (CVE-2021-32066)

  • ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)

  • ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)

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

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.

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.011 Low

EPSS

Percentile

83.9%