Use After Free in Foxit Reader
CVE-2018-9962
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 parsing of Annotation's author attribute. 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-5435.
Vulnerability class: Use-After-Free
EPSS: 0.027 (84.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Foxit Reader — versions 9.0.1.1049
- Foxitsoftware Foxit_reader
- Foxitsoftware Phantompdf
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- zdi-disclosures@trendmicro.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-9962?
- CVE-2018-9962 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-2018-9962?
- High severity. CVSS v3 base score is 8.8 out of 10.