#VU85775 Stack-based buffer overflow in hutool - CVE-2023-51080

Vulnerability identifier: #VU85775

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-51080

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
hutool
Other software / Other software solutions

Vendor: Dromara

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the NumberUtil.toBigDecimal() function. A remote attacker can pass specially crafted data to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

hutool: 4.4.2 - 5.8.24

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External links
https://github.com/dromara/hutool/issues/3423
https://github.com/github/advisory-database/pull/3268
https://github.com/dromara/hutool/releases/tag/5.8.25

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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.