lib/sfpagent/bsig.rb in the sfpagent gem before 0.4.15 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in the module name in a JSON request.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-2888
• http://seclists.org/fulldisclosure/2014/Apr/243
• http://www.openwall.com/lists/oss-security/2014/04/16/1
• http://www.openwall.com/lists/oss-security/2014/04/18/4
• https://web.archive.org/web/20201029141944/http://www.vapid.dhs.org/advisories/spfagent-remotecmd.html
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sfpagent/CVE-2014-2888.yml
• http://www.vapid.dhs.org/advisories/spfagent-remotecmd.html