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Vulnerability Details : CVE-2021-31799

In RDoc 3.11 through 6.x before 6.3.1, as distributed with Ruby through 3.0.1, it is possible to execute arbitrary code via | and tags in a filename.
Publish Date : 2021-07-30 Last Update Date : 2021-10-18
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- CVSS Scores & Vulnerability Types

CVSS Score
4.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
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 Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Execute Code
CWE ID 77

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:3020: ruby:2.7 security update (Important) oval:com.redhat.rhsa:def:20213020 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-2021-31799

# 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

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 2

- References For CVE-2021-31799

https://security.netapp.com/advisory/ntap-20210902-0004/ CONFIRM
https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html
MLIST [debian-lts-announce] 20211013 [SECURITY] [DLA 2780-1] ruby2.3 security update
https://security-tracker.debian.org/tracker/CVE-2021-31799
https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used 0
Vulnerability is valid if product versions listed below are used 0

- Metasploit Modules Related To CVE-2021-31799

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


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