Debian Security Advisory
DLA-2307-1 ruby-zip -- LTS security update
- Date Reported:
- 02 Aug 2020
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 902720.
In Mitre's CVE dictionary: CVE-2018-1000544.
- More information:
rubyzip gem version 1.2.1 and earlier contains a Directory Traversal vulnerability in Zip::File component that can result in write arbitrary files to the filesystem.
This attack appear to be exploitable via if a site allows uploading of .zip files, an attacker can upload a malicious file that contains symlinks or files with absolute pathnames "../" to write arbitrary files to the filesystem..
For Debian 9 stretch, this problem has been fixed in version 1.2.0-1.1+deb9u1.
We recommend that you upgrade your ruby-zip packages.
For the detailed security status of ruby-zip please refer to its security tracker page at: https://security-tracker.debian.org/tracker/ruby-zip
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS