config/initializers/secret_token.rb in Fat Free CRM before 0.12.1 has a fixed FatFreeCRM::Application.config.secret_token value, which makes it easier for remote attackers to spoof signed cookies by referring to the key in the source code.

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-7222
• fatfreecrm/fat_free_crm#300
• fatfreecrm/fat_free_crm@93c182d
• https://github.com/fatfreecrm/fat_free_crm/wiki/Fixing-security-vulnerabilities-%2827th-Dec-2013%29
• http://openwall.com/lists/oss-security/2013/12/28/2
• http://seclists.org/fulldisclosure/2013/Dec/199
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/fat_free_crm/CVE-2013-7222.yml