CVE-2016-2097
medium
CVSS v3
5.3
CVSS v2
5.0
VIR risk
5.3
Description
Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.2 and 4.x before 4.1.14.2 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0752.
Predictions
Exploit likelihood
63%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-2097
Vendor advisory: secalert@redhat.com — http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-2097.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 2:4.2.5.2-1 |
| debian | bullseye | fixed | 2:4.2.5.2-1 |
| debian | forky | fixed | 2:4.2.5.2-1 |
| debian | sid | fixed | 2:4.2.5.2-1 |
| debian | trixie | fixed | 2:4.2.5.2-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | actionview | !>= 4.2.0||<~> 4.1.14, >= 4.1.14.2 | ~> 4.1.14, >= 4.1.14.2 |
| RubyGems | actionpack | !>= 4.1.0||<~> 3.2.22.2 | ~> 3.2.22.2 |
| RubyGems | actionview | >=3.0.0,<3.2.22.2 | 3.2.22.2 |
| RubyGems | actionview | >=4.0.0,<4.1.14.2 | 4.1.14.2 |
| RubyGems | actionpack | >=3.0.0,<3.2.22.2 | 3.2.22.2 |
| RubyGems | actionpack | >=4.0.0,<4.1.14.2 | 4.1.14.2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| rubyonrails | rails | 4.0.0 | |
| rubyonrails | rails | 4.0.1 | |
| rubyonrails | rails | 4.0.2 | |
| rubyonrails | rails | 4.0.3 | |
| rubyonrails | rails | 4.0.4 | |
| rubyonrails | rails | 4.0.5 | |
| rubyonrails | rails | 4.0.6 | |
| rubyonrails | rails | 4.0.7 | |
| rubyonrails | rails | 4.0.8 | |
| rubyonrails | rails | 4.0.9 | |
| rubyonrails | rails | 4.0.10 | |
| rubyonrails | rails | 4.1.0 | |
| rubyonrails | rails | 4.1.1 | |
| rubyonrails | rails | 4.1.2 | |
| rubyonrails | rails | 4.1.3 | |
| rubyonrails | rails | 4.1.4 | |
| rubyonrails | rails | 4.1.5 | |
| rubyonrails | rails | 4.1.6 | |
| rubyonrails | rails | 4.1.7 | |
| rubyonrails | rails | 4.1.7.1 | |
| rubyonrails | rails | 4.1.8 | |
| rubyonrails | rails | 4.1.9 | |
| rubyonrails | rails | 4.1.10 | |
| rubyonrails | rails | 4.1.12 | |
| rubyonrails | rails | 4.1.13 | |
| rubyonrails | rails | 4.1.14 | |
| rubyonrails | ruby_on_rails | {"endIncluding":"3.2.22.1"} | |
| rubyonrails | ruby_on_rails | 4.1.14.1 | |
References
- https://groups.google.com/forum/#!topic/rubyonrails-security/ddY6HgqB2z4
- https://www.suse.com/security/cve/CVE-2016-2097.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00080.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00083.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00006.html
- http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/
- http://www.debian.org/security/2016/dsa-3509
- http://www.securityfocus.com/bid/83726
- http://www.securitytracker.com/id/1035122
- https://groups.google.com/forum/message/raw?msg=rubyonrails-security/ddY6HgqB2z4/we0RasMZIAAJ
- https://nvd.nist.gov/vuln/detail/CVE-2016-2097
- https://github.com/rails/rails/commit/8a1d3ea617ffb0c8ae8467fa439bf63a3bfc4324
- https://github.com/rails/rails
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2016-2097.yml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionview/CVE-2016-2097.yml
- https://web.archive.org/web/20160322002234/http://www.securitytracker.com/id/1035122
- https://web.archive.org/web/20200228015320/http://www.securityfocus.com/bid/83726
- https://web.archive.org/web/20201221115217/https://groups.google.com/forum/message/raw?msg=rubyonrails-security/ddY6HgqB2z4/we0RasMZIAAJ
- http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released
- https://security-tracker.debian.org/tracker/CVE-2016-2097
CWEs
CWE-22
Verify integrity in audit chain (admin only). AS-IS.