CVE-2018-18933 — The u3d plugin 9

The u3d plugin 9.3.0.10809 (aka plugins\U3DBrowser.fpi) in FoxitReader.exe in Foxit Reader 9.3.0.10826 allows remote attackers to cause a denial of service (out-of-bounds read) or obtain sensitive information via a U3D sample because of a "Read Access Violation near NULL sta

01What is this vulnerability?

The u3d plugin 9.3.0.10809 (aka plugins\U3DBrowser.fpi) in FoxitReader.exe in Foxit Reader 9.3.0.10826 allows remote attackers to cause a denial of service (out-of-bounds read) or obtain sensitive information via a U3D sample because of a "Read Access Violation near NULL starting at FoxitReader!safe_vsnprintf+0x00000000002c4330" issue.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

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: 2018-11-05T08:00:00.000Z
• Last modified: 2024-08-05T11:23:08.582Z

09References

• yan-1-20.github.io — https://yan-1-20.github.io/2018/11/02/2018/11/2018-11-02/
• github.com — https://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/10/2018/11/20…
• github.com — https://github.com/Yan-1-20/Yan-1-20.github.io/blob/master/2018/11/02/2018/11/20…
• yan-1-20.github.io — https://yan-1-20.github.io/2018/11/10/2018/11/2018-11-10/