Zimbra “zmslapd” Local Root Exploit.

This exploit was brought to you by “reading the manual”, mostly. It is the second local privilege escalation I found while doing an extremely low effort audit of Zimbra. You should read the first post, here: https://darrenmartyn.ie/2021/10/25/zimbra-nginx-local-root-exploit/ In order to exploit this issue, you need code execution as the “zimbra” user. TL;DR: In a stock …

Zimbra “nginx” Local Root Exploit

Recently I decided to have a look at the somewhat popular email and collaboration platform, Zimbra, with the idea to go find some bugs in it. I’m simply dropping these as full disclosure, because the Zimbra “disclosure policy” prohibits publication of exploit code, which is something I find incredibly disagreeable. I also find that “responsible” …