Vulnerability Report

CVE-2021-31799

RCE

Title: Arbitrary Code Execution in RDoc

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-31799.

CWE Category CWE-78
Published Date Jul 30, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.0 CVSS v3.1
Exploit Probability (EPSS)
0.35%

Vulnerability Summary

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.

Impacted Vendors

Y
yukihiro_matsumoto 1
R
ruby-lang 2
O
oracle 1

Reference Links

https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html https://security-tracker.debian.org/tracker/CVE-2021-31799 https://security.gentoo.org/glsa/202401-05 https://security.netapp.com/advisory/ntap-20210902-0004/ https://www.oracle.com/security-alerts/cpuapr2022.html https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/ https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html https://security-tracker.debian.org/tracker/CVE-2021-31799 https://security.gentoo.org/glsa/202401-05 https://security.netapp.com/advisory/ntap-20210902-0004/ https://www.oracle.com/security-alerts/cpuapr2022.html https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity HIGH
7.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.4
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-31799 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.