CVE-2022-43615: ZDI-22-1473

October 25th, 2022

(0Day) Corel CorelDRAW Graphics Suite PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability****ZDI-22-1473
ZDI-CAN-16370

CVE ID

CVE-2022-43615

CVSS SCORE

3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

AFFECTED VENDORS

Corel

AFFECTED PRODUCTS

CorelDRAW Graphics Suite

VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Corel CorelDRAW Graphics Suite. 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 PDF files. 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.

ADDITIONAL DETAILS

01/26/22 – ZDI reported the vulnerability to the vendor.

01/27/22 – The vendor acknowledged the report.

08/24/22 – ZDI asked for an update.

10/20/22 – ZDI informed the vendor that the case will be published as a zero-day advisory on 10/25/22.

– Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the application.

DISCLOSURE TIMELINE

• 2022-01-26 - Vulnerability reported to vendor
• 2022-10-25 - Coordinated public release of advisory

CREDIT

Michael DePlante (@izobashi) of Trend Micro’s Zero Day Initiative

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