CVE-2021-34843
Assigner: zdi
Published: 2021-08-04T15:16:32
State: PUBLISHED
affected: product: PDF Reader
vendor: Foxit
versions: status: affected
version: 11.0.0.49893
credits: value: Mat Powell of Trend Micro Zero Day Initiative
descriptions: value: This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. 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 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-14025.
metrics: cvssV3_0: attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: HIGH
baseScore: 7.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
version: 3.0
problemTypes: descriptions: cweId: CWE-416
description: CWE-416: Use After Free
type: CWE