CVE-2022-42421: PDF-XChange Editor TIF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
First published: Thu Jan 26 2023(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 TIF files. Crafted data in a TIF file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18703.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tracker-software Pdf-xchange Editor | <9.5.366.0 | |
| PDF-XChange PDF-XChange Editor |
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Reference Links
Frequently Asked Questions
What is CVE-2022-42421?
CVE-2022-42421 is a vulnerability in PDF-XChange Editor that allows remote attackers to execute arbitrary code on affected installations.
How does CVE-2022-42421 work?
CVE-2022-42421 is exploited by visiting a malicious page or opening a malicious file, which triggers an out-of-bounds write and allows execution of arbitrary code.
What software versions are affected by CVE-2022-42421?
PDF-XChange Editor versions up to and excluding 9.5.366.0 are affected by CVE-2022-42421.
What is the severity of CVE-2022-42421?
CVE-2022-42421 has a severity score of 7.8, indicating high severity.
How can I fix CVE-2022-42421?
To fix CVE-2022-42421, update PDF-XChange Editor to a version higher than 9.5.366.0.
- collector/nvd-index
- collector/zdi-advisory
- alias/ZDI-22-1393
- alias/ZDI-CAN-18703
- alias/CVE-2022-42421
- vendor/tracker-software
- canonical/tracker-software pdf-xchange editor
- vendor/pdf-xchange
- canonical/pdf-xchange pdf-xchange editor