Advisory Details

July 14th, 2022

Adobe InCopy Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-22-1007
ZDI-CAN-17075

CVE ID CVE-2022-34252
CVSS SCORE 3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
AFFECTED VENDORS Adobe
AFFECTED PRODUCTS InCopy
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe InCopy. 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 embedded fonts. Crafted data in a font can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

ADDITIONAL DETAILS Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/incopy/apsb22-29.html
DISCLOSURE TIMELINE
  • 2022-04-13 - Vulnerability reported to vendor
  • 2022-07-14 - Coordinated public release of advisory
CREDIT Mat Powell of Trend Micro Zero Day Initiative
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