Vulnerability Name:

CVE-2017-7639 (CCN-144288)

Assigned:2017-04-10
Published:2018-06-01
Updated:2018-07-12
Summary:QNAP NAS application Proxy Server through version 1.2.0 does not authenticate requests properly. Successful exploitation can lead to change of the settings of Proxy Server.
CVSS v3 Severity:5.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-287
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2017-7639

Source: CCN
Type: SECTRACK ID: 1041025
QNAP Proxy Server Multiple Bugs Let Remote Users Conductg Cross-Site Scripting and Cross-Site Request Forgery Attacks, Modify the Configuration, and Execute Arbitrary Commands

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041025

Source: XF
Type: UNKNOWN
qnap-cve20177639-sec-bypass(144288)

Source: CCN
Type: QNAP Security ID: NAS-201806-01
Security Advisory for Proxy Server Vulnerabilities

Source: CONFIRM
Type: Vendor Advisory
https://www.qnap.com/en/security-advisory/nas-201806-01

Vulnerable Configuration:Configuration 1:
  • cpe:/a:qnap:nas_proxy_server:*:*:*:*:*:*:*:* (Version < 1.3.0)

    • * Denotes that component is vulnerable
    BACK
    qnap nas proxy server *