CVE-2021-29632

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In FreeBSD 13.0-STABLE before n247428-9352de39c3dc, 12.2-STABLE before r370674, 13.0-RELEASE before p6, and 12.2-RELEASE before p12, certain conditions involving use of the highlight buffer while text is scrolling on the console, console data may overwrite data structures associated with the system console or other kernel memory.

En FreeBSD versión 13.0-STABLE anteriores a n247428-9352de39c3dc, 12.2-STABLE anteriores a r370674, 13.0-RELEASE anteriores a p6 y 12.2-RELEASE anteriores a p12, en determinadas condiciones que implican el uso del búfer de resaltado mientras el texto se desplaza en la consola, los datos de la consola pueden sobrescribir estructuras de datos asociadas con la consola del sistema u otra memoria del kernel

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-30 CVE Reserved
2022-01-18 CVE Published
2024-08-03 CVE Updated
2024-10-03 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (2)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20220217-0004	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://security.freebsd.org/advisories/FreeBSD-SA-22:01.vt.asc	2022-03-04

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		beta1-p1		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p1		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p10		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p11		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p2		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p3		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p4		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p5		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p6		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p7		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p8		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				12.2 Search vendor "Freebsd" for product "Freebsd" and version "12.2"		p9		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		-		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		beta1		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		beta2		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		beta3		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		beta3-p1		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		beta4		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		p1		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		p2		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		p3		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		p4		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		p5		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		rc1		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		rc2		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		rc3		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		rc4		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		rc5		Affected
Freebsd Search vendor "Freebsd"		Freebsd Search vendor "Freebsd" for product "Freebsd"				13.0 Search vendor "Freebsd" for product "Freebsd" and version "13.0"		rc5-p1		Affected