CVE-2019-10989 — In WebAccess/SCADA Versions 8

In WebAccess/SCADA Versions 8.3.5 and prior, multiple heap-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution. Note: A different vulnerability t

01What is this vulnerability?

In WebAccess/SCADA Versions 8.3.5 and prior, multiple heap-based buffer overflow vulnerabilities are caused by a lack of proper validation of the length of user-supplied data. Exploitation of these vulnerabilities may allow remote code execution. Note: A different vulnerability than CVE-2019-10991.

02Affected products

Vendor	Product	Versions
WebAccess	WebAccess/SCADA	Versions 8.3.5 and prior

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2019-06-28T20:31:48.000Z
• Last modified: 2024-08-04T22:40:15.634Z

09References

• www.us-cert.gov — https://www.us-cert.gov/ics/advisories/icsa-19-178-05
• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-19-590/
• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-19-591/