CVE-2021-34973
Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability.
Does this matter?
Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.
Description
Foxit PDF Reader PDF File Parsing Use-After-Free Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. 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 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14968.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 0.34% probability · 27th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- foxit/pdf editor · foxit/pdf reader
- Source
- zdi-disclosures@trendmicro.com
References
- https://www.foxit.com/support/security-bulletins.htmlVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1204/Third Party Advisory
- https://www.foxit.com/support/security-bulletins.htmlVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-1204/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.