Vulnerability Details : CVE-2021-34970
Foxit PDF Reader print Method Use of Externally-Controlled Format String 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 implementation of the print method. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14849.
Vulnerability category: OverflowExecute codeInformation leak
Products affected by CVE-2021-34970
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Exploit prediction scoring system (EPSS) score for CVE-2021-34970
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 16 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-34970
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.3
|
LOW | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
Zero Day Initiative | 2024-05-08 |
CWE ids for CVE-2021-34970
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The product uses a function that accepts a format string as an argument, but the format string originates from an external source.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2021-34970
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https://www.zerodayinitiative.com/advisories/ZDI-21-1201/
ZDI-21-1201 | Zero Day Initiative
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https://www.foxit.com/support/security-bulletins.html
Security Bulletins | Foxit Software
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