Security Information / 2017 / Security Information -- DSA-3801-1 ruby-zip

Debian Security Advisory

DSA-3801-1 ruby-zip -- security update

Date Reported:

04 Mar 2017

Affected Packages:

ruby-zip

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 856269.
In Mitre's CVE dictionary: CVE-2017-5946.

More information:

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.

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.