Headline
GHSA-mmx5-32m4-wxvx: Ineffective privileges drop when requesting container network
Impact
Fix https://github.com/apptainer/apptainer/pull/1523 included in Apptainer 1.2.0-rc.2 has introduced an ineffective privilege drop when requesting container network setup, therefore subsequent functions are called with root privileges. The attack surface is rather limited for users but an attacker could possibly craft a starter config to delete any directory on the host filesystems. Only affects setuid installations of Apptainer.
Patches
The security fix https://github.com/apptainer/apptainer/pull/1578 has been included in Apptainer 1.2.1
Workarounds
There is no known workaround outside of upgrading to Apptainer 1.2.1
- GitHub Advisory Database
- GitHub Reviewed
- CVE-2023-38496
Ineffective privileges drop when requesting container network
Moderate severity GitHub Reviewed Published Jul 24, 2023 in apptainer/apptainer • Updated Jul 25, 2023
Package
gomod github.com/apptainer/apptainer (Go)
Affected versions
>= 1.2.0, < 1.2.1
Impact
Fix apptainer/apptainer#1523 included in Apptainer 1.2.0-rc.2 has introduced an ineffective privilege drop when requesting container network setup, therefore subsequent functions are called with root privileges. The attack surface is rather limited for users but an attacker could possibly craft a starter config to delete any directory on the host filesystems. Only affects setuid installations of Apptainer.
Patches
The security fix apptainer/apptainer#1578 has been included in Apptainer 1.2.1
Workarounds
There is no known workaround outside of upgrading to Apptainer 1.2.1
References
- GHSA-mmx5-32m4-wxvx
- apptainer/apptainer#1578
Published to the GitHub Advisory Database
Jul 25, 2023
Last updated
Jul 25, 2023
Related news
Apptainer is an open source container platform. Version 1.2.0-rc.2 introduced an ineffective privilege drop when requesting container network setup, therefore subsequent functions are called with root privileges, the attack surface is rather limited for users but an attacker could possibly craft a starter config to delete any directory on the host filesystems. A security fix has been included in Apptainer 1.2.1. There is no known workaround outside of upgrading to Apptainer 1.2.1.