CVE-2024-11612 7-Zip CopyCoder Infinite Loop Denial-of-Service Vulnerability
Remote attackers can cause a denial-of-service condition in 7-Zip by triggering an infinite loop in the CopyCoder stream processing logic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-11612?
CVE-2024-11612 is a medium-severity denial of service vulnerability in 7-Zip, published on 22 Nov 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
7-Zip CopyCoder Infinite Loop Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the processing of streams. The issue results from a logic error that can lead to an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-24307.
Weakness: CWE-835
Which versions are affected by CVE-2024-11612?
It affects 1 product.
Products include 7-Zip 7-Zip.
How do I fix CVE-2024-11612?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-11612 being exploited?
There is no known exploitation of CVE-2024-11612 in the wild and no public exploit code.
Other vulnerabilities in 7-Zip
Sources
Also known as DEBIAN-CVE-2024-11612, GHSA-jrq3-7p6q-9m8h, UBUNTU-CVE-2024-11612.