CVE-2018-17910 — WebAccess Versions 8

WebAccess Versions 8.3.2 and prior. The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution.

01What is this vulnerability?

WebAccess Versions 8.3.2 and prior. The application fails to properly validate the length of user-supplied data, causing a buffer overflow condition that allows for arbitrary remote code execution.

02Affected products

Vendor	Product	Versions
n	a / WebAccess Versions 8.3.2 and prior.	WebAccess Versions 8.3.2 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

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-10-29T18:00:00.000Z
• Last modified: 2024-08-05T11:01:14.512Z

09References

• ics-cert.us-cert.gov — https://ics-cert.us-cert.gov/advisories/ICSA-18-298-02
• www.securityfocus.com — http://www.securityfocus.com/bid/105736
• www.securitytracker.com — http://www.securitytracker.com/id/1041957