CVE-2021-3548 Information disclosure in dmg2img
An attacker can leak memory layout information via improper buffer validation in dmg2img, potentially aiding further exploitation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-3548?
CVE-2021-3548 is a high-severity vulnerability in dmg2img, published on 26 May 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
A flaw was found in dmg2img through 20170502. dmg2img did not validate the size of the read buffer during memcpy() inside the main() function. This possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.
Weakness: CWE-125
Which versions are affected by CVE-2021-3548?
It affects 1 product.
Products include Dmg2img Project Dmg2img.
How do I fix CVE-2021-3548?
No fix has been published for CVE-2021-3548 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3548 being exploited?
There is no known exploitation of CVE-2021-3548 in the wild and no public exploit code.
Other vulnerabilities in dmg2img
Sources
Also known as DEBIAN-CVE-2021-3548, GHSA-x35m-q6gq-75g7, UBUNTU-CVE-2021-3548.