CVE-2018-7494: deltaww wplsoft Stack-based Buffer Overflow

Vulnerability summary

CVE-2018-7494 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in deltaww wplsoft. EPSS estimates a 2.73% chance of exploitation in the next 30 days, higher than 85.9% of scored vulnerabilities.

Timeline

1. 04-05-2018
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

WPLSoft in Delta Electronics versions 2.45.0 and prior utilizes a fixed length stack buffer where a value larger than the buffer can be read from a file into the buffer, causing the buffer to be overwritten, which may allow remote code execution or cause the application to crash.

• CWE-121Stack-based Buffer OverflowA 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).
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.