Remote code execution in Microsoft SQL Server

1) Use-after-free

EUVDB-ID: #VU100310

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-49021

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in Microsoft SQL Server. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: before 13.0.6455.2 13.0.6455.2, 13.0.7050.2 13.0.7050.2, 14.0.2070.1 14.0.2070.1, 14.0.3485.1 14.0.3485.1, 15.0.2130.3 15.0.2130.3, 16.0.1135.2 16.0.1135.2, 13.0.6455.2 13.0.6455.2, 13.0.6455.2 13.0.6455.2, 13.0.6455.2 13.0.6455.2

CPE2.3

• cpe:2.3:a:microsoft:microsoft_sql_server:*:*:*:*:*:*:*:*

External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49021

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.