Integer underflow in Microsoft products

1) Integer underflow

EUVDB-ID: #VU94061

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-38517

CWE-ID: CWE-191 - Integer underflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer underflow within RapidJSON. A remote attacker can trick a victim to open a specially crafted file, trigger integer underflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: before 11 23H2 10.0.22631.3880

Windows Server: before 2022 10.0.20348.2582

CPE2.3

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38517
http://github.com/Tencent/rapidjson/pull/1261/commits/8269bc2bc289e9d343bae51cdf6d23ef0950e001
http://github.com/fmalita/rapidjson/commit/8269bc2bc289e9d343bae51cdf6d23ef0950e001

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.