id: jira-servicedesk-signup info: name: Atlassian Jira Service Desk Signup author: TechbrunchFR severity: medium description: This instance of Atlassian JIRA is misconfigured to allow an attacker to sign up (create a new account) just by navigating to the signup page that is accessible at the URL /servicedesk/customer/user/signup. After the attacker has created a new account it's possible for him/her to access the support portal. reference: - https://www.acunetix.com/vulnerabilities/web/atlassian-jira-servicedesk-misconfiguration/ metadata: shodan-query: http.component:"Atlassian Jira" classification: cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cwe-id: CWE-287 tags: atlassian,servicedesk,jira,confluence requests: - raw: - | GET /servicedesk/customer/user/signup HTTP/1.1 Host: {{Hostname}} - | POST /servicedesk/customer/user/signup HTTP/1.1 Host: {{Hostname}} Content-Type: application/json Origin: {{RootURL}} Referer: {{RootURL}}/servicedesk/customer/user/signup {"email":"","fullname":"{{randstr}}","password":"","captcha":"","secondaryEmail":""} - | GET /secure/Signup!default.jspa HTTP/1.1 Host: {{Hostname}} - | POST /secure/Signup.jspa HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded Origin: {{RootURL}} Referer: {{RootURL}}/secure/Signup.jspa email=&fullname={{randstr}}&username=&password=&Signup=Sign+up cookie-reuse: true stop-at-first-match: true matchers: - type: word words: - 'signup.validation.errors' - 'signup-username-error' condition: or