Michal Marek discovered that ruby-archive-tar-minitar, a Ruby library that provides the ability to deal with POSIX tar archive files, is prone to a directory traversal vulnerability. An attacker can take advantage of this flaw to overwrite arbitrary files during archive extraction via

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Debian Security Advisory DSA-3778-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
https://www.debian.org/security/                     Salvatore Bonaccorso
January 31, 2017                      https://www.debian.org/security/faq
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Package        : ruby-archive-tar-minitar
CVE ID         : CVE-2016-10173
Debian Bug     : 853249

Michal Marek discovered that ruby-archive-tar-minitar, a Ruby library
that provides the ability to deal with POSIX tar archive 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 0.5.2-2+deb8u1.

We recommend that you upgrade your ruby-archive-tar-minitar packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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