The message function in lib/webbynode/notify.rb in the Webbynode gem 1.0.5.3 and earlier for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a growlnotify message.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-7086
• webbynode/webbynode#85
• https://exchange.xforce.ibmcloud.com/vulnerabilities/89705
• http://packetstormsecurity.com/files/124421
• http://seclists.org/oss-sec/2013/q4/493
• http://seclists.org/oss-sec/2013/q4/497
• https://web.archive.org/web/20200229074410/http://www.securityfocus.com/bid/64289
• https://web.archive.org/web/20201208124343/http://www.vapid.dhs.org/advisories/webbynode-command-inj.html
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webbynode/CVE-2013-7086.yml