SB2022080803 - Memcached poisoning in Zimbra Collaboration



SB2022080803 - Memcached poisoning in Zimbra Collaboration

Published: August 8, 2022

Security Bulletin ID SB2022080803
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Code injection (CVE-ID: CVE-2022-27924)

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 update from vendor's website.