CVE-2023-0593: Path traversal in yaffshiv

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-01-31 · updated 2026-06-17
Weakness: CWE-22

Description

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. This issue affects yaffshiv up to version 0.1 included, which is the most recent at time of publication.

Affected products

devttys0 yaffshiv: through 0.1

References

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

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