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Vulnerability Details : CVE-2021-41819

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.
Publish Date : 2022-01-01 Last Update Date : 2022-05-08
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 565

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2022:0543: ruby:2.6 security update (Important) oval:com.redhat.rhsa:def:20220543 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-41819

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
2 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
3 OS Debian Debian Linux 11.0 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
5 OS Fedoraproject Fedora 35 * * * Version Details Vulnerabilities
6 Application Opensuse Factory - * * * Version Details Vulnerabilities
7 OS Opensuse Leap 15.2 * * * Version Details Vulnerabilities
8 OS Redhat Enterprise Linux 8.0 * * * Version Details Vulnerabilities
9 Application Redhat Software Collections - * * * Version Details Vulnerabilities
10 Application Ruby-lang CGI 0.1.0 * * * Version Details Vulnerabilities
11 Application Ruby-lang CGI 0.2.0 * * * Version Details Vulnerabilities
12 Application Ruby-lang CGI 0.3.0 * * * Version Details Vulnerabilities
13 Application Ruby-lang Ruby * * * * Version Details Vulnerabilities
14 OS Suse Linux Enterprise 11.0 SP1 * * Version Details Vulnerabilities
15 OS Suse Linux Enterprise 12.0 * * * Version Details Vulnerabilities
16 OS Suse Linux Enterprise 15.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 3
Fedoraproject Fedora 2
Opensuse Factory 1
Opensuse Leap 1
Redhat Enterprise Linux 1
Redhat Software Collections 1
Ruby-lang CGI 3
Ruby-lang Ruby 1
Suse Linux Enterprise 3

- References For CVE-2021-41819

https://security.netapp.com/advisory/ntap-20220121-0003/ CONFIRM
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UTOJGS5IEFDK3UOO7IY4OTTFGHGLSWZF/
FEDORA FEDORA-2022-8cf0124add
https://hackerone.com/reports/910552
https://www.ruby-lang.org/en/news/2021/11/24/cookie-prefix-spoofing-in-cgi-cookie-parse-cve-2021-41819/ CONFIRM
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUXQCH6FRKANCVZO2Q7D2SQX33FP3KWN/
FEDORA FEDORA-2022-82a9edac27

- Metasploit Modules Related To CVE-2021-41819

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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