CVE-2023-51075 hutool-core discovered to contain an infinite loop in the StrSplitter.splitByRegex function

What is CVE-2023-51075?

CVE-2023-51075 is a high-severity denial of service vulnerability in n/a, published on 27 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

hutool-core v5.8.23 was discovered to contain an infinite loop in the StrSplitter.splitByRegex function. This vulnerability allows attackers to cause a Denial of Service (DoS) via manipulation of the first two parameters.

Weakness: CWE-835

Which versions are affected by CVE-2023-51075?

2 open source packages ship an affected version, including cn.hutool:hutool-core. It affects 1 product.

Products include Hutool Hutool.

How do I fix CVE-2023-51075?

Upgrade cn.hutool:hutool-core to 5.8.24 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-51075 being exploited?

There is no known exploitation of CVE-2023-51075 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2023-42276 hutool Buffer Overflow vulnerability Critical 9.8
• CVE-2023-42277 hutool Buffer Overflow vulnerability Critical 9.8
• CVE-2023-24162 Dromara Hutool Deserialization of Untrusted Data vulnerability Critical 9.8
• CVE-2023-24163 Dromara hutool vulnerable to SQL Injection Critical 9.8
• CVE-2022-22885 Improper Certificate Validation in Hutool Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7m7h-rgvp-3v4r.