Use After Free in Foxit Reader
CVE-2017-16576
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within XFA's field element. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5092.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Foxit Reader — versions 8.3.1.21155
- Foxitsoftware Foxit Reader — versions 8.3.1.21155
Weakness classification (CWE)
References
- zerodayinitiative.com/advisories/ZDI-17-887 (VDB Entry, Third Party Advisory)
- www.foxitsoftware.com/support/security-bulletins.php (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-16576?
- CVE-2017-16576 is a high-severity vulnerability in Foxit Reader, classified under Use After Free. CVSS score: 8.8/10. Published 2017-12-20.
- How severe is CVE-2017-16576?
- High severity. CVSS v3 base score is 8.8 out of 10.