Netskope Threat Labs

FILE-OTHER GNU gzip zgrep arbitrary file write attempt

IPS-SWG

1 SID: 60758

First seen
April 2023
Last seen
October 2025

Detects an archive exploiting CVE-2022-1271, an arbitrary file write in the gzip compression tools' zgrep handling. The crafted archive manipulates filename processing so that script invocations write or overwrite files outside the intended path.