CVE-2021-35590: Oracle MySQL Cluster Management API Stack-based Buffer Overflow Remote Code Execution Vulnerability
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 Management API. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.
Other sources
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).
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2021-35590?
CVE-2021-35590 has a critical severity rating due to the potential for remote code execution without authentication.
How do I fix CVE-2021-35590?
To remediate CVE-2021-35590, upgrade Oracle MySQL Cluster to the patched version specified in Oracle's security advisory.
Which versions of MySQL Cluster are affected by CVE-2021-35590?
CVE-2021-35590 affects Oracle MySQL Cluster versions 7.4.0 to 7.4.33, 7.5.0 to 7.5.23, 7.6.0 to 7.6.19, and 8.0.0 to 8.0.26.
Is authentication required to exploit CVE-2021-35590?
Authentication is not required to exploit CVE-2021-35590, making it particularly dangerous.
What type of attacks can CVE-2021-35590 facilitate?
CVE-2021-35590 allows remote attackers to execute arbitrary code on affected installations of Oracle MySQL Cluster.