CVE-2022-1271

EIP tracks 1 public exploit for CVE-2022-1271. PoCs published by greydoubt.

AI-analyzed exploit summary This repository contains test files and scripts related to the xz library, including references to CVE-2022-1271 (xzgrep filename handling). It includes fuzzing tests, coverage scripts, and test file generators but lacks direct exploit code for the CVE.

An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name (for example, a crafted file name), this can overwrite an attacker's content to an arbitrary attacker-selected file. This flaw occurs due to insufficient validation when processing filenames with two or more newlines where selected content and the target file names are embedded in crafted multi-line file names. This flaw allows a remote, low privileged attacker to force zgrep to write arbitrary files on the system.