9.8crit

CVE-2017-5946

Directory traversal vulnerability in RubyZip

Also known as GHSA-gcqq-w6gr-h9j9

Published 9 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
3.4%
percentile 89%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

3.44% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

EcosystemPackageAffectedFixed in
rubygemsrubyzip
<1.2.1
1.2.1

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

  • github.com /rubyzip/rubyzip/releases · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/96445 · vdb-entry, x_refsource_BID, x_transferred
  • github.com /rubyzip/rubyzip/issues/315 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2017/dsa-3801 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-5946 · advisory
  • github.com /rubyzip/rubyzip/commit/ce4208fdecc2ad079b05d3c49d70fe6ed1d07016 · web
  • github.com /rubysec/ruby-advisory-db/blob/master/gems/rubyzip/CVE-2017-5946.yml · web
  • github.com /rubyzip/rubyzip · package
  • web.archive.org /web/20200227185727/http://www.securityfocus.com/bid/96445 · web

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.