Out-of-bounds Read in Foxit Reader
CVE-2018-9950
This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Foxit Reader 9.0.0.29935. 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 PDF documents. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process. Was ZDI-CAN-5413.
Vulnerability class: Buffer Overflow
EPSS: 0.041 (89.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Foxit Reader — versions 9.0.0.29935
- Foxitsoftware Foxit_reader
- Foxitsoftware Phantompdf
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-9950?
- CVE-2018-9950 is a medium-severity vulnerability in Foxit Reader, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-05-17.
- How severe is CVE-2018-9950?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-9950 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.