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Rewterz Threat Advisory – Adobe Photoshop and Adobe FrameMaker Vulnerabilities.

Severity

Medium

Analysis Summary

CVE-2021-42734

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Photoshop. 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. 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 buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

CVE-2021-39865

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe FrameMaker. 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 images. 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 buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

Impact

  • Security Bypass
  • Information Disclosure

Indicators Of Compromise

CVE

  • CVE-2021-42734
  • CVE-2021-39865

Affected Vendors

Adobe

Affected Products

  • Adobe Photoshop
  • Adobe FrameMaker

Remediation

Refer to Adobe Advisory for the patch, upgrade, or suggested workaround information.  

CVE-2021-42734

https://helpx.adobe.com/security/products/photoshop/apsb21-109.html

CVE-2021-39865

https://helpx.adobe.com/security/products/framemaker/apsb21-74.html