libmodbus up to 3.1.10 tries stack-based overflow

Summaryinfo

A vulnerability, which was classified as critical, has been found in libmodbus up to 3.1.10. Affected by this issue is the function tries. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2024-10918. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in libmodbus up to 3.1.10. This affects the function tries. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based Buffer Overflow vulnerability in libmodbus v3.1.10 allows to overflow the buffer allocated for the Modbus response if the function tries to reply to a Modbus request with an unexpected length.

The weakness was disclosed by Gabriele Quagliarella. The advisory is shared at nozominetworks.com. This vulnerability is uniquely identified as CVE-2024-10918 since 11/06/2024. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/12/2025).

The vulnerability scanner Nessus provides a plugin with the ID 232625 (Debian dla-4084 : libmodbus-dev - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (232625). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• libmodbus

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10

CPE 2.3info

• 🔍
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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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