CVE-2022-48682 — In deletefiles in FDUPES before 2

In deletefiles in FDUPES before 2.2.0, a TOCTOU race condition allows arbitrary file deletion via a symlink.

01What is this vulnerability?

In deletefiles in FDUPES before 2.2.0, a TOCTOU race condition allows arbitrary file deletion via a symlink.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-04-26T00:00:00.000Z
• Last modified: 2024-10-27T21:18:33.196Z

09References

• github.com — https://github.com/adrianlopezroche/fdupes/blob/4b6bcde1b3eb1cebe87cd30814f7d6cf…
• github.com — https://github.com/adrianlopezroche/fdupes/commit/85680897148f1ac33b55418e003341…
• bugzilla.suse.com — https://bugzilla.suse.com/show_bug.cgi?id=1200381
• github.com — https://github.com/adrianlopezroche/fdupes/compare/v2.1.2...v2.2.0