SB2021091440 - Multiple vulnerabilities in Adobe Digital Editions 

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Main Vulnerability Database SB2021091440

SB2021091440 - Multiple vulnerabilities in Adobe Digital Editions

Published: September 14, 2021

Security Bulletin ID SB2021091440
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2021-39828)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for temporary files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.


2) Incorrect default permissions (CVE-ID: CVE-2021-39827)

The vulnerability allows a remote attacker to overwrite arbitrary files on the system.

The vulnerability exists due to incorrect default permissions for temporary files and folders that are set by the application. A remote attacker can trick the victim to open a specially crafted file and overwrite arbitrary files on the system.


3) OS Command Injection (CVE-ID: CVE-2021-39826)

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated attacker can trick the victim to open a specially crafted file and execute arbitrary OS commands on the system.


Remediation

Install update from vendor's website.

References