Code injection in Zimbra Collaboration - CVE-2022-27924
Published: August 8, 2022
Vulnerability identifier: #VU66156
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-27924
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
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.
Affected software
Zimbra Collaboration
How to mitigate CVE-2022-27924
Install updates from vendor's website.
Zimbra Collaboration - addressed in versions 8.8.15 Patch 31.1, 9.0.0 Patch 24.1