CVE-2017-5946

high-risk
Published 2017-02-27

The Zip::File component in the rubyzip gem before 1.2.1 for Ruby has a directory traversal vulnerability. If a site allows uploading of .zip files, an attacker can upload a malicious file that uses "../" pathname substrings to write arbitrary files to the filesystem.

Do I need to act?

~
5.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 98f4f2ed9b3a26bb94e8a539d2c3464e0266fc41
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Rubyzip

Affected Vendors

Rubyzip Project Debian

References (8)

Third Party Advisory http://www.debian.org/security/2017/dsa-3801
Third Party Advisory http://www.securityfocus.com/bid/96445
Third Party Advisory https://github.com/rubyzip/rubyzip/issues/315
Third Party Advisory https://github.com/rubyzip/rubyzip/releases
Third Party Advisory http://www.debian.org/security/2017/dsa-3801
Third Party Advisory http://www.securityfocus.com/bid/96445
Third Party Advisory https://github.com/rubyzip/rubyzip/issues/315
Third Party Advisory https://github.com/rubyzip/rubyzip/releases
50
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 9/34 · Low
Exposure 9/34 · Low