CVE-2023-0593 — A path traversal vulnerability affects yaffshiv YAFFS filesystem extractor

A path traversal vulnerability affects yaffshiv YAFFS filesystem extractor. By crafting a malicious YAFFS file, an attacker could force yaffshiv to write outside of the extraction directory.

01What is this vulnerability?

A path traversal vulnerability affects yaffshiv YAFFS filesystem extractor. By crafting a malicious YAFFS file, an attacker could force yaffshiv to write outside of the extraction directory.

02Affected products

Vendor	Product	Versions
devttys0	yaffshiv	0

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: 2023-01-31T09:31:44.677Z
• Last modified: 2025-03-27T14:37:00.270Z

09References

• onekey.com — https://onekey.com/blog/security-advisory-remote-command-execution-in-binwalk/
• github.com — https://github.com/devttys0/yaffshiv/pull/3/files