Vulnerability Details : CVE-2021-34949
Foxit PDF Reader Annotation Out-Of-Bounds Read 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 handling of Annotation objects. 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 arbitrary code in the context of the current process. Was ZDI-CAN-14273.
Vulnerability category: Execute codeInformation leak
Products affected by CVE-2021-34949
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Exploit prediction scoring system (EPSS) score for CVE-2021-34949
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-2021-34949
| 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 | 2024-05-07 |
CWE ids for CVE-2021-34949
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The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2021-34949
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https://www.zerodayinitiative.com/advisories/ZDI-21-1180/
ZDI-21-1180 | Zero Day Initiative
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https://www.foxit.com/support/security-bulletins.html
Security Bulletins | Foxit Software
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