#VU100310 Use-after-free in Microsoft SQL Server - CVE-2024-49021

Vulnerability identifier: #VU100310

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft SQL Server
Server applications / Database software

Vendor: Microsoft

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, 13.0.7050.2, 14.0.2070.1, 14.0.3485.1, 15.0.2130.3, 16.0.1135.2, 13.0.6455.2, 13.0.6455.2, 13.0.6455.2, 13.0.6455.2

---

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.

Is there known malware, which exploits this vulnerability?

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