Advisory Details

May 31st, 2023

SAP SQL Anywhere Database Server Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2022-35299
CVSS SCORE	8.1, AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	SAP
AFFECTED PRODUCTS	SQL Anywhere
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of SAP SQL Anywhere. Authentication is not required to exploit this vulnerability. The specific flaw exists within the Database Server, which listens on TCP and UDP ports 2638 by default. 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 root.
ADDITIONAL DETAILS	SAP has issued an update to correct this vulnerability. More details can be found at: https://d.dam.sap.com/a/3Hat4sC/2022%2012%20Patch%20Day%20Blog%20V9.0.pdf?rc=10
DISCLOSURE TIMELINE	2022-07-19 - Vulnerability reported to vendor 2023-05-31 - Coordinated public release of advisory
CREDIT	Maxim Kutyavin (https://github.com/pwnhacker0x18)

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