Use After Free in Foxit Reader
CVE-2018-9975
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.1049. 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 the handling of shift events. 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-5762.
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: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.031 · change: -0.001
Affected products
- Foxit Reader — versions 9.0.1.1049
- Foxitsoftware Foxit Reader
- Foxitsoftware Phantompdf
Weakness classification (CWE)
References
- zerodayinitiative.com/advisories/ZDI-18-359 (VDB Entry, Third Party Advisory)
- www.foxitsoftware.com/support/security-bulletins.php (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-9975?
- CVE-2018-9975 is a high-severity vulnerability in Foxit Reader, classified under Use After Free. CVSS score: 8.8/10. Published 2018-05-17.
- How severe is CVE-2018-9975?
- High severity. CVSS v3 base score is 8.8 out of 10.