CVE-2024-29068

snapd non-regular file indefinite blocking read

Description

In snapd versions prior to 2.62, snapd failed to properly check the file type when extracting a snap. The snap format is a squashfs file-system image and so can contain files that are non-regular files (such as pipes or sockets etc). Various file entries within the snap squashfs image (such as icons etc) are directly read by snapd when it is extracted. An attacker who could convince a user to install a malicious snap which contained non-regular files at these paths could then cause snapd to block indefinitely trying to read from such files and cause a denial of service.

Category

5.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Canonical snapd
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2024-29068?
CVE-2024-29068 has been scored as a medium severity vulnerability.
How to fix CVE-2024-29068?
To fix CVE-2024-29068, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-29068 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-29068 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-29068?
CVE-2024-29068 affects Canonical snapd.
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