CVE-2017-5946: Path Traversal
First published: Mon Feb 27 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| rubygems/rubyzip | <1.2.1 | 1.2.1 |
| rubyzip | <1.2.1 | |
| Debian GNU/Linux | =8.0 | |
| Debian GNU/Linux | =9.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2017-5946
- https://github.com/rubyzip/rubyzip/issues/315
- https://github.com/rubyzip/rubyzip/releases
- http://www.debian.org/security/2017/dsa-3801
- https://web.archive.org/web/20200227185727/http://www.securityfocus.com/bid/96445
- https://github.com/rubyzip/rubyzip/commit/ce4208fdecc2ad079b05d3c49d70fe6ed1d07016
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rubyzip/CVE-2017-5946.yml
- https://github.com/advisories/GHSA-gcqq-w6gr-h9j9 (Advisory)
- http://www.securityfocus.com/bid/96445
Frequently Asked Questions
What is the severity of CVE-2017-5946?
CVE-2017-5946 is considered a high-severity vulnerability due to its ability to allow arbitrary file writing via directory traversal.
How do I fix CVE-2017-5946?
To fix CVE-2017-5946, upgrade the rubyzip gem to version 1.2.1 or later.
What is the impact of CVE-2017-5946 on my application?
The impact of CVE-2017-5946 can allow an attacker to overwrite arbitrary files on the filesystem, potentially leading to data loss or compromise.
Which versions of Ruby are affected by CVE-2017-5946?
CVE-2017-5946 affects versions of the rubyzip gem before 1.2.1 irrespective of the Ruby version in use.
Is my operating system affected by CVE-2017-5946?
Yes, users of Debian Linux 8.0 and 9.0 with the vulnerable rubyzip gem installed are affected by CVE-2017-5946.
- collector/github-advisory-latest
- alias/GHSA-gcqq-w6gr-h9j9
- alias/CVE-2017-5946
- collector/github-advisory
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/weakness
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- agent/author
- collector/nvd-cve
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- package-manager/rubygems
- vendor/rubyzip project
- canonical/rubyzip
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/8.0
- version/debian gnu/linux/9.0