CVE-2021-35593

Oracle MySQL Cluster Data Node Stack-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

6.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track*

*SSVC

Descriptions

Vulnerability in the MySQL Cluster product of Oracle MySQL (component: Cluster: General). Supported versions that are affected are 7.4.33 and prior, 7.5.23 and prior, 7.6.19 and prior and 8.0.26 and prior. Difficult to exploit vulnerability allows high privileged attacker with access to the physical communication segment attached to the hardware where the MySQL Cluster executes to compromise MySQL Cluster. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of MySQL Cluster. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H).

Una vulnerabilidad en el producto MySQL Cluster de Oracle MySQL (componente: Cluster: General). Las versiones compatibles que están afectadas son 7.4.33 y anteriores, 7.5.23 y anteriores, 7.6.19 y anteriores y 8.0.26 y anteriores. Una vulnerabilidad difícil de explotar permite a un atacante muy privilegiado con acceso al segmento de comunicación física conectado al hardware donde se ejecuta el MySQL Cluster comprometer a MySQL Cluster. Los ataques con éxito requieren una interacción humana de una persona diferente del atacante. Los ataques con éxito de esta vulnerabilidad pueden resultar en la toma de control de MySQL Cluster. CVSS 3.1 Puntuación Base 6.3 (impactos en la Confidencialidad, Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H)

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Oracle MySQL Cluster. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the processing of Data Node jobs. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.

*Credits: Anonymous

CVSS Scores

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

High

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Adjacent

Attack Complexity

High

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Track*

Exploitation

None

Automatable

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2021-06-28 CVE Reserved
2021-10-20 CVE Published
2024-09-25 CVE Updated
2024-11-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-787: Out-of-bounds Write

CAPEC

References (3)

URL	Tag	Source
https://security.netapp.com/advisory/ntap-20211022-0003	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1229	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://www.oracle.com/security-alerts/cpuoct2021.html	2021-10-26

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Oracle Search vendor "Oracle"		Mysql Cluster Search vendor "Oracle" for product "Mysql Cluster"				>= 7.4.0 <= 7.4.33 Search vendor "Oracle" for product "Mysql Cluster" and version " >= 7.4.0 <= 7.4.33"		-		Affected
Oracle Search vendor "Oracle"		Mysql Cluster Search vendor "Oracle" for product "Mysql Cluster"				>= 7.5.0 <= 7.5.23 Search vendor "Oracle" for product "Mysql Cluster" and version " >= 7.5.0 <= 7.5.23"		-		Affected
Oracle Search vendor "Oracle"		Mysql Cluster Search vendor "Oracle" for product "Mysql Cluster"				>= 7.6.0 <= 7.6.19 Search vendor "Oracle" for product "Mysql Cluster" and version " >= 7.6.0 <= 7.6.19"		-		Affected
Oracle Search vendor "Oracle"		Mysql Cluster Search vendor "Oracle" for product "Mysql Cluster"				>= 8.0.0 <= 8.0.26 Search vendor "Oracle" for product "Mysql Cluster" and version " >= 8.0.0 <= 8.0.26"		-		Affected
Netapp Search vendor "Netapp"		Oncommand Insight Search vendor "Netapp" for product "Oncommand Insight"				-		-		Affected
Netapp Search vendor "Netapp"		Snapcenter Search vendor "Netapp" for product "Snapcenter"				-		-		Affected