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CVE-2024-34244

Date: May 7, 2024

libmodbus v3.1.10 is vulnerable to Buffer Overflow via the modbus_write_bits function. This issue can be triggered when the function is fed with specially crafted input, which leads to out-of-bounds read and can potentially cause a crash or other unintended behaviors.

Language: C

Severity Score

Related Resources (3)

https://github.com/stephane/libmodbus/issues/743
https://nvd.nist.gov/vuln/detail/CVE-2024-34244
https://www.mend.io/vulnerability-database/CVE-2024-34244

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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