CVE-2021-39827 Adobe Digital Editions Installer flaw leads to Arbitrary File System Write
An authenticated attacker can write arbitrary files to the system via the installer, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-39827?
CVE-2021-39827 is a medium-severity path traversal vulnerability in Adobe Digital Editions, published on 27 Sep 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by an arbitrary file write vulnerability in the Digital Editions installer. An authenticated attacker could leverage this vulnerability to write an arbitrary file to the system. User interaction is required before product installation to abuse this vulnerability.
Weakness: CWE-379
Which versions are affected by CVE-2021-39827?
It affects 1 product.
Products include Adobe Digital Editions.
How do I fix CVE-2021-39827?
No fix has been published for CVE-2021-39827 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2021-39827 being exploited?
There is no known exploitation of CVE-2021-39827 in the wild and no public exploit code.
Other vulnerabilities in Adobe Digital Editions
Sources
Also known as GHSA-6x2x-5wr8-hwjr.