# CVE-2024-29069: snap-confine: In snapd versions prior to 2.62, snapd failed to properly check thedestination of symbolic links when extracting a snap

CVE-2024-29069 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.61.4ubuntu0.18.04.1+esm1, released June 30, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-29069
- Priority: High
- CVSS: 7.3 (Medium)
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 13, 2024

## Description

In snapd versions prior to 2.62, snapd failed to properly check thedestination of symbolic links when extracting a snap. The snap formatis a squashfs file-system image and so can contain symbolic links andother file types. Various file entries within the snap squashfs image(such as icons and desktop files etc) are directly read by snapd whenit is extracted. An attacker who could convince a user to install amalicious snap which contained symbolic links at these paths could thencause snapd to write out the contents of the symbolic link destinationinto a world-readable directory. This in-turn could allow an unprivilegeduser to gain access to privileged information.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | golang-github-snapcore-snapd-dev Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [golang-github-snapcore-snapd-dev 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-snapcore-snapd-dev-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [golang-github-snapcore-snapd-dev 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-snapcore-snapd-dev-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [golang-github-snapcore-snapd-dev 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-snapcore-snapd-dev-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [golang-github-snapcore-snapd-dev 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-golang-github-snapcore-snapd-dev-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [golang-github-ubuntu-core-snappy-dev 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-ubuntu-core-snappy-dev-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [golang-github-ubuntu-core-snappy-dev 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-ubuntu-core-snappy-dev-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [golang-github-ubuntu-core-snappy-dev 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-ubuntu-core-snappy-dev-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [golang-github-ubuntu-core-snappy-dev 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-golang-github-ubuntu-core-snappy-dev-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snap-confine Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [snap-confine 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snap-confine-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | snap-confine Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [snap-confine 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snap-confine-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snap-confine Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [snap-confine 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snap-confine-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snap-confine Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [snap-confine 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-snap-confine-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snap-confine Ubuntu 24.10 (oracular) | 2.63+24.10 | [snap-confine 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-snap-confine-2.63-24.10.md) | Jul 1, 2024 |
| Linux | snapd Debian 13.5 (trixie) | 2.62-1 | [DEBIAN-CVE-2024-29069](https://patchblox.com/security/data/fix/linux/debian-cve-2024-29069.md) | Jul 25, 2024 |
| Linux | snapd Debian 14 | 2.62-1 | [DEBIAN-CVE-2024-29069](https://patchblox.com/security/data/fix/linux/debian-cve-2024-29069.md) | Jul 25, 2024 |
| Linux | snapd Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [snapd 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | snapd Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [snapd 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snapd Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [snapd 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snapd Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [snapd 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-snapd-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snapd Ubuntu 24.10 (oracular) | 2.63+24.10 | [snapd 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-snapd-2.63-24.10.md) | Jul 1, 2024 |
| Linux | snapd-xdg-open Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [snapd-xdg-open 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-xdg-open-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | snapd-xdg-open Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [snapd-xdg-open 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-xdg-open-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snapd-xdg-open Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [snapd-xdg-open 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-xdg-open-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snapd-xdg-open Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [snapd-xdg-open 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-snapd-xdg-open-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | snapd-xdg-open Ubuntu 24.10 (oracular) | 2.63+24.10 | [snapd-xdg-open 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-snapd-xdg-open-2.63-24.10.md) | Jul 1, 2024 |
| Linux | ubuntu-core-launcher Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [ubuntu-core-launcher 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-launcher-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-launcher Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [ubuntu-core-launcher 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-launcher-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-launcher Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [ubuntu-core-launcher 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-launcher-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-launcher Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [ubuntu-core-launcher 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-core-launcher-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-launcher Ubuntu 24.10 (oracular) | 2.63+24.10 | [ubuntu-core-launcher 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ubuntu-core-launcher-2.63-24.10.md) | Jul 1, 2024 |
| Linux | ubuntu-core-snapd-units Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [ubuntu-core-snapd-units 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-snapd-units-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-snapd-units Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [ubuntu-core-snapd-units 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-snapd-units-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-snapd-units Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [ubuntu-core-snapd-units 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-snapd-units-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-snapd-units Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [ubuntu-core-snapd-units 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-core-snapd-units-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-core-snapd-units Ubuntu 24.10 (oracular) | 2.63+24.10 | [ubuntu-core-snapd-units 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ubuntu-core-snapd-units-2.63-24.10.md) | Jul 1, 2024 |
| Linux | ubuntu-snappy Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [ubuntu-snappy 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [ubuntu-snappy 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [ubuntu-snappy 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [ubuntu-snappy 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-snappy-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy Ubuntu 24.10 (oracular) | 2.63+24.10 | [ubuntu-snappy 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ubuntu-snappy-2.63-24.10.md) | Jul 1, 2024 |
| Linux | ubuntu-snappy-cli Ubuntu 18.04.6 LTS (bionic) | 2.61.4ubuntu0.18.04.1+esm1 | [ubuntu-snappy-cli 2.61.4ubuntu0.18.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-cli-2.61.4ubuntu0.18.04.1-esm1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy-cli Ubuntu 20.04 LTS (focal) | 2.63+20.04ubuntu0.1 | [ubuntu-snappy-cli 2.63+20.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-cli-2.63-20.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy-cli Ubuntu 22.04.1 LTS (jammy) | 2.63+22.04ubuntu0.1 | [ubuntu-snappy-cli 2.63+22.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-cli-2.63-22.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy-cli Ubuntu 24.04.5 LTS (noble) | 2.63+24.04ubuntu0.1 | [ubuntu-snappy-cli 2.63+24.04ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ubuntu-snappy-cli-2.63-24.04ubuntu0.1.md) | Jun 30, 2024 |
| Linux | ubuntu-snappy-cli Ubuntu 24.10 (oracular) | 2.63+24.10 | [ubuntu-snappy-cli 2.63+24.10](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-ubuntu-snappy-cli-2.63-24.10.md) | Jul 1, 2024 |

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