#VU66156 Code injection in Zimbra Collaboration - CVE-2022-27924
Published: August 8, 2022
Vulnerability identifier: #VU66156
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2022-27924
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Zimbra Collaboration
Zimbra Collaboration
Software vendor:
Synacor Inc.
Synacor Inc.
Description
The vulnerability allows a remote attacker to perform cache poisoning.
The vulnerability exists due to improper validation of user-supplied input. A remote non-authenticated attacker can send a specially crafted HTTP request to the affected application and inject arbitrary memcache commands into a targeted instance. As a result, the a remote attacker can overwrite arbitrary cached entries and perform cache poisoning attacks.
Remediation
Install updates from vendor's website.