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Debian Security Advisory DSA 3801-1 (ruby-zip - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
It was discovered that ruby-zip, a Ruby module for reading and writing zip files, is prone to a directory traversal vulnerability. An attacker can take advantage of this flaw to overwrite arbitrary files during archive extraction via a .. (dot dot) in an extracted filename.
Affected Software
Affected Software
ruby-zip on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the stable distribution (jessie), this problem has been fixed in version 1.1.6-1+deb8u1. For the upcoming stable distribution (stretch), this problem has been fixed in version 1.2.0-1.1. For the unstable distribution (sid), this problem has been fixed in version 1.2.0-1.1. We recommend that you upgrade your ruby-zip packages.