# CVE-2023-1523: golang-github-snapcore-snapd-dev: Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal...

CVE-2023-1523 is fixed in 9 products on 1 platform, first by golang-github-snapcore-snapd-dev 2.58+18.04.1, released May 24, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-1523
- Priority: High
- CVSS: 10.0 (Medium)
- EPSS: 0.0145
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 24, 2023

## Description

Using the TIOCLINUX ioctl request, a malicious snap could inject contents into the input of the controlling terminal which could allow it to cause arbitrary commands to be executed outside of the snap sandbox after the snap exits. Graphical terminal emulators like xterm, gnome-terminal and others are not affected - this can only be exploited when snaps are run on a virtual console.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | golang-github-snapcore-snapd-dev Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [golang-github-snapcore-snapd-dev 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-snapcore-snapd-dev-2.58-18.04.1.md) | May 24, 2023 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [golang-github-snapcore-snapd-dev 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-snapcore-snapd-dev-2.58-20.04.1.md) | May 24, 2023 |
| Linux | golang-github-snapcore-snapd-dev Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [golang-github-snapcore-snapd-dev 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-snapcore-snapd-dev-2.58-22.04.1.md) | May 24, 2023 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [golang-github-ubuntu-core-snappy-dev 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-golang-github-ubuntu-core-snappy-dev-2.58-18.04.1.md) | May 24, 2023 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [golang-github-ubuntu-core-snappy-dev 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-golang-github-ubuntu-core-snappy-dev-2.58-20.04.1.md) | May 24, 2023 |
| Linux | golang-github-ubuntu-core-snappy-dev Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [golang-github-ubuntu-core-snappy-dev 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-golang-github-ubuntu-core-snappy-dev-2.58-22.04.1.md) | May 24, 2023 |
| Linux | snap-confine Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [snap-confine 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snap-confine-2.58-18.04.1.md) | May 24, 2023 |
| Linux | snap-confine Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [snap-confine 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snap-confine-2.58-20.04.1.md) | May 24, 2023 |
| Linux | snap-confine Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [snap-confine 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snap-confine-2.58-22.04.1.md) | May 24, 2023 |
| Linux | snapd Debian 13.5 (trixie) | 2.59.5-1 | [DEBIAN-CVE-2023-1523](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1523.md) | Sep 1, 2023 |
| Linux | snapd Debian 14 | 2.59.5-1 | [DEBIAN-CVE-2023-1523](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1523.md) | Sep 1, 2023 |
| Linux | snapd Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [snapd 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-2.58-18.04.1.md) | May 24, 2023 |
| Linux | snapd Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [snapd 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-2.58-20.04.1.md) | May 24, 2023 |
| Linux | snapd Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [snapd 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-2.58-22.04.1.md) | May 24, 2023 |
| Linux | snapd-xdg-open Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [snapd-xdg-open 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snapd-xdg-open-2.58-18.04.1.md) | May 24, 2023 |
| Linux | snapd-xdg-open Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [snapd-xdg-open 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snapd-xdg-open-2.58-20.04.1.md) | May 24, 2023 |
| Linux | snapd-xdg-open Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [snapd-xdg-open 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snapd-xdg-open-2.58-22.04.1.md) | May 24, 2023 |
| Linux | ubuntu-core-launcher Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [ubuntu-core-launcher 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-launcher-2.58-18.04.1.md) | May 24, 2023 |
| Linux | ubuntu-core-launcher Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [ubuntu-core-launcher 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-launcher-2.58-20.04.1.md) | May 24, 2023 |
| Linux | ubuntu-core-launcher Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [ubuntu-core-launcher 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-launcher-2.58-22.04.1.md) | May 24, 2023 |
| Linux | ubuntu-core-snapd-units Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [ubuntu-core-snapd-units 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-core-snapd-units-2.58-18.04.1.md) | May 24, 2023 |
| Linux | ubuntu-core-snapd-units Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [ubuntu-core-snapd-units 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-core-snapd-units-2.58-20.04.1.md) | May 24, 2023 |
| Linux | ubuntu-core-snapd-units Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [ubuntu-core-snapd-units 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-core-snapd-units-2.58-22.04.1.md) | May 24, 2023 |
| Linux | ubuntu-snappy Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [ubuntu-snappy 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-2.58-18.04.1.md) | May 24, 2023 |
| Linux | ubuntu-snappy Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [ubuntu-snappy 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-2.58-20.04.1.md) | May 24, 2023 |
| Linux | ubuntu-snappy Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [ubuntu-snappy 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-2.58-22.04.1.md) | May 24, 2023 |
| Linux | ubuntu-snappy-cli Ubuntu 18.04.6 LTS (bionic) | 2.58+18.04.1 | [ubuntu-snappy-cli 2.58+18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-ubuntu-snappy-cli-2.58-18.04.1.md) | May 24, 2023 |
| Linux | ubuntu-snappy-cli Ubuntu 20.04 LTS (focal) | 2.58+20.04.1 | [ubuntu-snappy-cli 2.58+20.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-ubuntu-snappy-cli-2.58-20.04.1.md) | May 24, 2023 |
| Linux | ubuntu-snappy-cli Ubuntu 22.04.1 LTS (jammy) | 2.58+22.04.1 | [ubuntu-snappy-cli 2.58+22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ubuntu-snappy-cli-2.58-22.04.1.md) | May 24, 2023 |

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