CVE-2023-27410: siemens scalance_lpe9403_firmware Heap-based Buffer Overflow

Vulnerability summary

CVE-2023-27410 is a low (CVSS 2.7) Heap-based Buffer Overflow vulnerability in siemens scalance_lpe9403_firmware. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.5% of scored vulnerabilities.

Timeline

1. 09-05-2023
   PublishedVulnerability first disclosed.
2. 28-01-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). A heap-based buffer overflow vulnerability was found in the `edgebox_web_app` binary. The binary will crash if supplied with a backup password longer than 255 characters. This could allow an authenticated privileged attacker to cause a denial of service.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().