CVE-2022-43613: ZDI-22-1471

October 25th, 2022

(0Day) Corel CorelDRAW Graphics Suite CGM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability****ZDI-22-1471
ZDI-CAN-16356

CVE ID

CVE-2022-43613

CVSS SCORE

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

AFFECTED VENDORS

Corel

AFFECTED PRODUCTS

CorelDRAW Graphics Suite

VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code 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 CGM files. When parsing CGM files, the process does not properly validate the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute 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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