Vulnerability identifier: #VU66173
Vulnerability risk: Medium
CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Zimbra Collaboration
Web applications /
Webmail solutions
Vendor: Synacor Inc.
Description
The vulnerability allows a remote user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in file name inside a zip archive in mboximport (MailboxImportServlet). A remote user can upload a specially crafted archive and write files to an arbitrary location on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Zimbra Collaboration: 8.8.15 - 9.0.0 Patch 23
External links
http://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24
http://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P31#Security_Fixes
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.