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Rewterz Threat Advisory – Zimbra Collaboration And Zimbra Collaboration Suite (ZCS) Vulnerabilities – Exploit in the Wild

Severity

High

Analysis Summary

CVE-2022-37042 CVSS:9.8

Zimbra Collaboration Suite (ZCS) could allow a remote attacker to traverse directories on the system, caused by improper archive file validation by the mboximport function. An attacker could use a specially-crafted archive file containing “dot dot” sequences (/../) to execute arbitrary code on the system.

CVE-2022-27925 CVSS:7.2

Zimbra Collaboration could allow a remote authenticated attacker to traverse directories on the system, caused by improper ZIP archive validation by the mboximport function. An attacker could use a specially-crafted URL request containing “dot dot” sequences (/../) to execute arbitrary code on the system.

Impact

  • Information Theft

Indicators Of Compromise

CVE

  • CVE-2022-37042
  • CVE-2022-27925

Affected Vendors

Zimbra

Affected Products

  • Zimbra Zimbra Collaboration Suite (ZCS) 8.8.15
  • Zimbra Zimbra Collaboration Suite (ZCS) 9.0
  • Zimbra Collaboration 8.8.15
  • Zimbra Collaboration 9.0

Remediation

Upgrade to the latest version of Zimbra Collaboration Suite (ZCS), available from the Zimbra Website.

CVE-2022-37042

CVE-2022-27925