CVE-2018-8834: ics-cert omron cx-one Heap-based Buffer Overflow

Vulnerability summary

CVE-2018-8834 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in ics-cert omron cx-one. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.4% of scored vulnerabilities.

Timeline

1. 17-04-2018
   PublishedVulnerability first disclosed.
2. 16-09-2024
   Last modifiedVulnerability information updated.

Description

Parsing malformed project files in Omron CX-One versions 4.42 and prior, including the following applications: CX-FLnet versions 1.00 and prior, CX-Protocol versions 1.992 and prior, CX-Programmer versions 9.65 and prior, CX-Server versions 5.0.22 and prior, Network Configurator versions 3.63 and prior, and Switch Box Utility versions 1.68 and prior, may cause a heap-based buffer overflow.

• 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().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.