Adobe Security Bulletin

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Paskutinį kartą atnaujinta Oct 11, 2021 09:09:20 AM GMT

Security Updates Available for Adobe Digital Editions | APSB21-80

Bulletin ID	Date Published	Priority
APSB20-80	September 14, 2021	3

Summary

Adobe has released a security update for Adobe Digital Editions. This update resolves one important and multiple critical vulnerabilities that could result in arbitrary code execution.    

Affected product versions

Product	Version	Platform
Adobe Digital Editions	4.5.11.187646 and below	macOS

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

Product	Version	Platform	Priority	Availability
Adobe Digital Editions	4.5.11.187658	MacOS	3	Download Page

Pastaba:

Customers can download the update from the Adobe Digital Editions download page, or utilize the product’s update mechanism when prompted.

Vulnerability details

Vulnerability Category	Vulnerability Impact	Severity	CVSS base score	CVSS vector	CVE Numbers
Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)	Privilege Escalation	Important	5.8	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N	CVE-2021-39828
Creation of Temporary File in Directory with Incorrect Permissions (CWE-379)	Arbitrary file system write	Critical	6.5	CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H	CVE-2021-39827
OS Command Injection (CWE-78)	Arbitrary code execution	Critical	8.6	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H	CVE-2021-39826

Acknowledgments

Adobe would like to thank the following security researchers for reporting these issues and for working with Adobe to help protect our customers.      

CQY of Topsec Alpha Team (yjdfy) (CVE-2021-39828, CVE-2021-39827)
CFF of Topsec Alpha Team (cff_123) (CVE-2021-39826)

Revisions

October 4, 2021: Updated CVSS base score and vector for CVE-2021-39827.

For more information, visit https://helpx.adobe.com/security.html, or email PSIRT@adobe.com

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