# CVE-2023-30549: GO-2023-1738 - Unpatched extfs vulnerabilities are exploitable through suid-mode Apptainer in github.com/apptainer/apptainer

Source: https://junglewise.ai/threats/cve-2023-30549-unpatched-extfs-vulnerabilities-are-exploitable-through-suid-mode  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2024-08-20  
License: CC BY 4.0 with a link back

CVE-2023-30549 · Severity: low · CVSS 3.1 · Published 2024-08-20

Unpatched extfs vulnerabilities are exploitable through suid-mode Apptainer in github.com/apptainer/apptainer

Technologies: [github.com/apptainer/apptainer (Go)](https://junglewise.ai/threats/technologies/github-com-apptainer-apptainer). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2023-30549 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2023-30549 being exploited in the wild.

**How severe is CVE-2023-30549?** Low severity, with a CVSS score of 3.1, published 20 August 2024.

**Which products and versions are affected?** github.com/apptainer/apptainer (Go) SEMVER:introduced=0,fixed=1.1.8.

**Is there a fix for CVE-2023-30549?** Yes. github.com/apptainer/apptainer (Go): upgrade to 1.1.8 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2023-30549?** Check whether you run github.com/apptainer/apptainer (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/apptainer/apptainer (Go): upgrade to 1.1.8 or later

  ```sh
  go get github.com/apptainer/apptainer@v1.1.8
  ```


## Affected products

- github.com/apptainer/apptainer (Go) SEMVER:introduced=0,fixed=1.1.8

## Identifiers

- CVE-2023-30549
- GHSA-j4rf-7357-f4cg
- GO-2023-1738

## Related threats

- [Apptainer incorrect path matching in limit container paths directive](https://junglewise.ai/threats/cve-2026-48785-apptainer-incorrect-path-matching-in-limit-container-paths)
- [GO-2025-4176 - Apptainer ineffectively applies selinux and apparmor --security options in github.com/apptainer/apptainer](https://junglewise.ai/threats/cve-2025-65105-apptainer-ineffectively-applies-selinux-and-apparmor-security)
- [GO-2023-1965 - Ineffective privileges drop when requesting container network in github.com/apptainer/apptainer](https://junglewise.ai/threats/cve-2023-38496-ineffective-privileges-drop-when-requesting-container-network)