In tar in BusyBox through 1.37.0, a TAR archive can have filenames hidden from a listing through the use of terminal escape sequences.

References

• https://bugs.busybox.net/show_bug.cgi?id=16018
• https://www.busybox.net
• https://www.busybox.net/downloads/
• http://www.openwall.com/lists/oss-security/2025/04/23/5
• http://www.openwall.com/lists/oss-security/2025/04/24/3
• https://cert-portal.siemens.com/productcert/html/ssa-253495.html

Related CVEs