In Omron CX-Supervisor Versions 3.30 and prior, parsing malformed project files may cause a double free vulnerability.
Published 2018-03-21 20:29:01
Updated 2019-10-09 23:42:23
Source ICS-CERT
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2018-7523

Exploit prediction scoring system (EPSS) score for CVE-2018-7523

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-7523

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.6
MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
NIST
5.3
MEDIUM CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
1.8
3.4
NIST

CWE ids for CVE-2018-7523

  • The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.
    Assigned by:
    • ics-cert@hq.dhs.gov (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2018-7523

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