Vulnerability · Published Jul 18, 2022 · Assigned by zdi

CVE-2022-34873

Low 3.3

In plain English

A low-severity out-of-bounds read in PDF Reader from Foxit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.0)3.3Low

Exploit odds (30 days)0.9%top 38.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader 11.2.1.53537. 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. By performing actions in JavaScript, an attacker can trigger 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-16777.

Affected products (as reported)

Vendor	Product	Versions
Foxit	PDF Reader	11.2.1.53537

Weakness: CWE-125 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References

https://www.foxit.com/support/security-bulletins.html x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-22-952/ x_refsource_MISC