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- Snyk ID SNYK-CENTOS8-XZ-2859884
- published 9 Apr 2022
- disclosed 7 Apr 2022
How to fix?
xz to version 0:5.2.4-4.el8_6 or higher.
Note: Versions mentioned in the description apply only to the upstream
xz package and not the
xz package as distributed by
How to fix? for
Centos:8 relevant fixed versions and status.
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.