PT-2018-18126 · Omron · Cx-Supervisor

Esteban Ruiz + 2 · Published 2018-03-21 · Updated 2019-10-09 · CVE-2018-7521

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Omron CX-Supervisor versions 3.30 and prior

Description The issue arises when Omron CX-Supervisor parses a specially crafted project file, leading to use after free vulnerabilities that can be exploited for remote code execution.

Recommendations For Omron CX-Supervisor versions 3.30 and prior, consider restricting the parsing of project files from untrusted sources until a patch is available. As a temporary workaround, avoid using the SCS file parsing functionality in Omron CX-Supervisor until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2018-7521

ZDI-18-1351

ZDI-18-1352

ZDI-18-1353

ZDI-18-1354

ZDI-18-251

ZDI-18-255

ZDI-18-257

ZDI-18-258

ZDI-18-259

Affected Products

Cx-Supervisor

References · 13

• https://zerodayinitiative.com/advisories/ZDI-18-1351 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-255 · Security Note
• https://osv.dev/vulnerability/CVE-2018-7521 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-18-258 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-259 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-1354 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-251 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-1353 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-7521 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-257 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-18-1352 · Security Note
• http://securityfocus.com/bid/103394 · Note
• https://ics-cert.us-cert.gov/advisories/ICSA-18-072-01 · Note