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CVE-2022-41352

Status Candidate

Overview

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. An attacker can upload arbitrary files through amavis via a cpio loophole (extraction to /opt/zimbra/jetty/webapps/zimbra/public) that can lead to incorrect access to any other user accounts. Zimbra recommends pax over cpio. Also, pax is in the prerequisites of Zimbra on Ubuntu; however, pax is no longer part of a default Red Hat installation after RHEL 6 (or CentOS 6). Once pax is installed, amavis automatically prefers it over cpio.

Related Files

Zimbra Collaboration Suite TAR Path Traversal
Posted Oct 20, 2022
Authored by Ron Bowes, Alexander Cherepanov, yeak | Site metasploit.com

This Metasploit module creates a .tar file that can be emailed to a Zimbra server to exploit CVE-2022-41352. 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 the cpio command-line utility that can extract an arbitrary file to an arbitrary location on a Linux system (CVE-2015-1197). Most Linux distros have chosen not to fix it. This issue is exploitable on Red Hat-based systems (and other hosts without pax installed) running versions Zimbra Collaboration Suite 9.0.0 Patch 26 and below and Zimbra Collaboration Suite 8.8.15 Patch 33 and below.

tags | exploit, web, arbitrary
systems | linux, redhat
advisories | CVE-2015-1197, CVE-2022-41352
SHA-256 | ce92bc8cd0b896bbf1bbebcee5677a9a8619813aaba32b6be0cfc98fba18d5b5
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