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UnRAR Path Traversal in Zimbra (CVE-2022-30333)

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UnRAR Path Traversal in Zimbra (CVE-2022-30333)

Disclosed
06/28/2022
Created
08/29/2022

Description

This module creates a RAR file that can be emailed to a Zimbra server to exploit CVE-2022-30333. If successful, it plants a JSP-based backdoor in the public web directory, then executes that backdoor. The core vulnerability is a path-traversal issue in unRAR that can extract an arbitrary file to an arbitrary location on a Linux system. This issue is exploitable on the following versions of Zimbra, provided UnRAR version 6.11 or earlier is installed: * Zimbra Collaboration 9.0.0 Patch 24 (and earlier) * Zimbra Collaboration 8.8.15 Patch 31 (and earlier)

Author(s)

  • Simon Scannell
  • Ron Bowes

Platform

Linux

Architectures

x86, x64

Development

Module Options

To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':

msf > use exploit/linux/http/zimbra_unrar_cve_2022_30333
msf exploit(zimbra_unrar_cve_2022_30333) > show targets
    ...targets...
msf exploit(zimbra_unrar_cve_2022_30333) > set TARGET < target-id >
msf exploit(zimbra_unrar_cve_2022_30333) > show options
    ...show and set options...
msf exploit(zimbra_unrar_cve_2022_30333) > exploit

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