Advisory Details

January 13th, 2022

Adobe Bridge JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

CVE ID	CVE-2021-44743
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Bridge
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Bridge. 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 JPG2000 images. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated structure. An attacker can leverage this vulnerability to execute 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/bridge/apsb22-03.html
DISCLOSURE TIMELINE	2021-09-10 - Vulnerability reported to vendor 2022-01-13 - Coordinated public release of advisory
CREDIT	Mat Powell of Trend Micro Zero Day Initiative

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