Headline
CVE-2022-24048: ZDI-22-363
MariaDB CONNECT Storage Engine Stack-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 stack-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-16191.
February 16th, 2022
MariaDB CONNECT Storage Engine Stack-based Buffer Overflow Privilege Escalation Vulnerability****ZDI-22-363
ZDI-CAN-16191
CVE ID
CVE-2022-24048
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 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 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.