Oracle Access Manager - Remote Code Execution

2022-03-1908:54:33

ProjectDiscovery

github.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.5 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.962 High

EPSS

Percentile

99.5%

JSON

The Oracle Access Manager  portion of Oracle Fusion Middleware (component: OpenSSO Agent) is vulnerable to remote code execution. Supported versions that are affected are 11.1.2.3.0, 12.2.1.3.0 and 12.2.1.4.0. This is an easily exploitable vulnerability that allows unauthenticated attackers with network access via HTTP to compromise Oracle Access Manager.

id: CVE-2021-35587

info:
  name: Oracle Access Manager - Remote Code Execution
  author: cckuailong
  severity: critical
  description: |
    The Oracle Access Manager  portion of Oracle Fusion Middleware (component: OpenSSO Agent) is vulnerable to remote code execution. Supported versions that are affected are 11.1.2.3.0, 12.2.1.3.0 and 12.2.1.4.0. This is an easily exploitable vulnerability that allows unauthenticated attackers with network access via HTTP to compromise Oracle Access Manager.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Apply the latest security patches provided by Oracle to mitigate this vulnerability.
  reference:
    - https://testbnull.medium.com/oracle-access-manager-pre-auth-rce-cve-2021-35587-analysis-1302a4542316
    - https://nvd.nist.gov/vuln/detail/CVE-2021-35587
    - https://www.oracle.com/security-alerts/cpujan2022.html
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/GrrrDog/Java-Deserialization-Cheat-Sheet
  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-2021-35587
    cwe-id: CWE-502
    epss-score: 0.95643
    epss-percentile: 0.99283
    cpe: cpe:2.3:a:oracle:access_manager:11.1.2.3.0:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: oracle
    product: access_manager
    shodan-query: http.title:"Oracle Access Management"
    fofa-query: body="/oam/pages/css/login_page.css"
  tags: cve2021,cve,oam,rce,java,unauth,oracle,kev

http:
  - method: GET
    path:
      - '{{BaseURL}}/oam/server/opensso/sessionservice'

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "x-oracle-dms-ecid"
          - "x-oracle-dms-rid"
        case-insensitive: true
        condition: or

      - type: word
        part: body
        words:
          - "/oam/pages/css/general.css"

      - type: status
        status:
          - 200
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