module

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

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Disclosed
2022-06-28
Created
2022-08-29

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)

Authors

Simon Scannell
Ron Bowes

Platform

Linux

Architectures

x86, x64

References

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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