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Debian LTS: Security Advisory for ruby-zip (DLA-2307-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'ruby-zip' package(s) announced via the DLA-2307-1 advisory.
Insight
Insight
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..
Affected Software
Affected Software
'ruby-zip' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
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.