PT-2021-5065 · Adobe · Digital Editions

Published 2021-09-14 · Updated 2021-11-18 · CVE-2021-39827

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Adobe Digital Editions versions 4.5.11.187646 and earlier

Description The issue is related to an arbitrary file write vulnerability in the Digital Editions installer, which could allow an authenticated attacker to write an arbitrary file to the system. This requires user interaction before product installation to abuse the vulnerability. The vulnerability is also associated with the creation of temporary files with insecure permissions, potentially allowing a remote attacker to execute arbitrary writes to the file system using a specially crafted file.

Recommendations For Adobe Digital Editions versions 4.5.11.187646 and earlier, update to a version that contains a fix for this issue. As a temporary workaround, consider restricting the installation of Digital Editions to minimize the risk of exploitation. Avoid using the vulnerable Digital Editions installer until the issue is resolved.

Fix

Weakness Enumeration

CWE-379

Related Identifiers

BDU:2021-05841

CVE-2021-39827

Affected Products

Digital Editions

References · 7

• https://bdu.fstec.ru/vul/2021-05841 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39827 · Vendor Advisory
• https://helpx.adobe.com/security/products/Digital-Editions/apsb21-80.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39827 · Security Note
• https://t.me/cibsecurity/29506 · Telegram Post
• https://t.me/cvenotify/21962 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021091440 · Note