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

High severity · published Jul 30, 2021

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

7.0

CVSS

1.5%

EPSS

On KEV

Description

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.

CVSS vector

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

Attack vector

Local

Complexity

High

Privileges

Low

User interaction

None

Confidentiality

High

Integrity

High

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.5% · higher than 74% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

9.0; 10.0 · source: NVD

JD Edwards Enterpriseone Tools · Oracle

before 9.2.6.1 · source: NVD

Rdoc · Ruby-lang

3.11 before 6.3.1 · source: NVD

Affected product

Debian Linux

Debian

All Debian Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-31799

CVE.org

https://www.cve.org/CVERecord?id=CVE-2021-31799

Third Party Advisory

https://lists.debian.org/debian-lts-announce/2021/10/msg00009.html

Third Party Advisory

https://security-tracker.debian.org/tracker/CVE-2021-31799

security.gentoo.org

https://security.gentoo.org/glsa/202401-05

Third Party Advisory

https://security.netapp.com/advisory/ntap-20210902-0004/

Patch

https://www.oracle.com/security-alerts/cpuapr2022.html

Patch

https://www.ruby-lang.org/en/news/2021/05/02/os-command-injection-in-rdoc/