- -----------------------------------------------------------------------
Debian LTS Advisory DLA-2307-1              debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Utkarsh Gupta
August 02, 2020                             https://wiki.debian.org/LTS
- -----------------------------------------------------------------------

Package        : ruby-zip
Version        : 1.2.0-1.1+deb9u1
CVE ID         : CVE-2018-1000544
Debian Bug     : 902720


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/source-package/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


Best,
Utkarsh

Debian LTS: DLA-2307-1: ruby-zip security update

August 1, 2020
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

Summary

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/source-package/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


Best,
Utkarsh


Severity
Package : ruby-zip
Version : 1.2.0-1.1+deb9u1
CVE ID : CVE-2018-1000544
Debian Bug : 902720

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