CVE-2020-12247 — In Foxit Reader and PhantomPDF before 10

In Foxit Reader and PhantomPDF before 10.0.1, and PhantomPDF before 9.7.3, attackers can obtain sensitive information from an out-of-bounds read because a text-string index continues to be used after splitting a string into two parts. A crash may also occur.

01What is this vulnerability?

In Foxit Reader and PhantomPDF before 10.0.1, and PhantomPDF before 9.7.3, attackers can obtain sensitive information from an out-of-bounds read because a text-string index continues to be used after splitting a string into two parts. A crash may also occur.

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: 2020-09-04T03:32:00.000Z
• Last modified: 2024-08-04T11:48:58.554Z

09References

• www.foxitsoftware.com — https://www.foxitsoftware.com/support/security-bulletins.php