PT-2017-14671 · Qnap · Qnap Qts

Nervoir · Published 2017-12-20 · Updated 2018-01-04 · CVE-2017-17027

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions QNAP QTS versions 4.2.6 build 20171026 through 4.3.4.0387 (Beta 2) build 20171116 and earlier

Description A buffer overflow vulnerability in the FTP service could allow remote attackers to execute arbitrary code on NAS devices.

Recommendations For QNAP QTS versions 4.2.6 build 20171026 through 4.3.4.0387 (Beta 2) build 20171116 and earlier, consider disabling the FTP service until a patch is available. As a temporary workaround, restrict access to the NAS devices to minimize the risk of exploitation.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2017-17027

ZDI-17-1002

Affected Products

Qnap Qts

References · 5

• https://osv.dev/vulnerability/CVE-2017-17027 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-17-1002 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-17027 · Security Note
• https://qnap.com/zh-tw/security-advisory/nas-201712-15 · Vendor Advisory
• http://securitytracker.com/id/1040018 · Note