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Rewterz Threat Advisory – Multiple QNAP QTS, QuTS hero, and QuTScloud Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-32974 CVSS:7.5

QNAP QTS, QuTS hero, and QuTScloud could allow a remote attacker to traverse directories on the system, caused by improper validation of user request. An attacker could send a specially crafted URL request containing “dot dot” sequences (/../) to view arbitrary files on the system.

CVE-2023-32973 CVSS:3.8

QNAP QTS, QuTS hero, and QuTScloud are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. By sending a specially crafted request, a remote attacker could overflow a buffer and execute arbitrary code on the system.

CVE-2023-32970 CVSS:4.9

QNAP QTS, QuTS hero, and QuTScloud are vulnerable to a denial of service, caused by a NULL pointer dereference flaw. By sending a specially crafted request, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Denial of Service
  • Information Theft
  • Buffer Overflow

Indicators Of Compromise

CVE

  • CVE-2023-32974
  • CVE-2023-32973
  • CVE-2023-32970

Affected Vendors

QNAP

Affected Products

  • QNAP QuTS hero h5.1.0
  • QNAP QTS 5.1.0
  • QNAP QuTScloud c5.0
  • QNAP QTS 4.5.0
  • QNAP QTS 5.0.0
  • QNAP QuTS Hero h5.0.0
  • QNAP QuTS Hero h4.50

Remediation

Refer to QNAP Security Advisory for patch, upgrade or suggested workaround information.

CVE-2023-32974

CVE-2023-32973

CVE-2023-32970