GHSA-7m2w-9gw7-c3xp
open-uri-cached Gem for Ruby Unsafe Temporary File Creation Enables Code Execution
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| RubyGems | open-uri-cached | <= 1.0.0 | no fix listed |
Details
As written in the advisory (Markdown source, shown as plain text).
The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing "openuri-" followed by a crafted UID, and putting Ruby code in said directory once a metafile is created.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2015-3649
- https://github.com/tigris/open-uri-cached/issues/8
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/open-uri-cached/CVE-2015-3649.yml
- https://github.com/tigris/open-uri-cached
- https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb
- https://web.archive.org/web/20210119122105/http://www.securityfocus.com/bid/74469
- http://seclists.org/oss-sec/2015/q2/373
- http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby
- http://www.openwall.com/lists/oss-security/2015/05/06/2