Headline
CVE-2022-24050: ZDI-22-364
MariaDB CONNECT Storage Engine Use-After-Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MariaDB. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of SQL queries. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-16207.
February 16th, 2022
MariaDB CONNECT Storage Engine Use-After-Free Privilege Escalation Vulnerability****ZDI-22-364
ZDI-CAN-16207
CVE ID
CVE-2022-24050
CVSS SCORE
7.0, (AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS
MariaDB
AFFECTED PRODUCTS
MariaDB
VULNERABILITY DETAILS
This vulnerability allows local attackers to escalate privileges on affected installations of MariaDB. Authentication is required to exploit this vulnerability.
The specific flaw exists within the processing of SQL queries. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account.
ADDITIONAL DETAILS
MariaDB has issued an update to correct this vulnerability. More details can be found at:
https://mariadb.com/kb/en/security/
DISCLOSURE TIMELINE
- 2022-01-20 - Vulnerability reported to vendor
- 2022-02-16 - Coordinated public release of advisory
CREDIT
Anonymous
BACK TO ADVISORIES
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MariaDB CONNECT Storage Engine Heap-based Buffer Overflow Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MariaDB. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of SQL queries. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-16190.