Use After Free in Foxit Phantompdf
CVE-2021-27268
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 10.1.0.37527. 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 U3D objects in PDF files. 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 in the context of the current process. Was ZDI-CAN-12295.
Vulnerability class: Use-After-Free
EPSS: 0.025 (83.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Foxit Phantompdf — versions 10.1.0.37527
- Foxitsoftware Foxit_reader
- Foxitsoftware Phantompdf
- Microsoft Windows
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-27268?
- CVE-2021-27268 is a high-severity vulnerability in Foxit Phantompdf, classified under Use After Free. CVSS score: 7.8/10. Published 2021-03-30.
- How severe is CVE-2021-27268?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-27268 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.