Vulnerability DatabaseCVE-2021-31799
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2021-31799
July 29, 2021
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.
Affected Packages
rdoc (RUBY):
Affected version(s) =6.3.0 <6.3.1
Fix Suggestion:
Update to version 6.3.1
rdoc (RUBY):
Affected version(s) >=3.11 <6.1.2.1
Fix Suggestion:
Update to version 6.1.2.1
Related Resources (13)
https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rdoc/CVE-2021-31799.yml
https://access.redhat.com/security/cve/CVE-2021-31799
https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/
https://security.gentoo.org/glsa/202401-05
https://security.netapp.com/advisory/ntap-20210902-0004/
https://github.com/ruby/rdoc
https://nvd.nist.gov/vuln/detail/CVE-2021-31799
https://www.oracle.com/security-alerts/cpuapr2022.html
https://github.com/ruby/rdoc/commit/a7f5d6ab88632b3b482fe10611382ff73d14eed7
https://security.netapp.com/advisory/ntap-20210902-0004
https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html
https://security-tracker.debian.org/tracker/CVE-2021-31799
Do you need more information?
Contact Us
CVSS v4
Base Score:
7.3
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.0
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
4.4
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-77
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-78
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-74
EPSS
Base Score:
0.3