CVE Vulnerabilities

CVE-2017-7923

Exposure of Sensitive Information to an Unauthorized Actor

Published: May 06, 2017 | Modified: Dec 19, 2017
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
4 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu

A Password in Configuration File issue was discovered in Hikvision DS-2CD2xx2F-I Series V5.2.0 build 140721 to V5.4.0 build 160530, DS-2CD2xx0F-I Series V5.2.0 build 140721 to V5.4.0 Build 160401, DS-2CD2xx2FWD Series V5.3.1 build 150410 to V5.4.4 Build 161125, DS-2CD4x2xFWD Series V5.2.0 build 140721 to V5.4.0 Build 160414, DS-2CD4xx5 Series V5.2.0 build 140721 to V5.4.0 Build 160421, DS-2DFx Series V5.2.0 build 140805 to V5.4.5 Build 160928, and DS-2CD63xx Series V5.0.9 build 140305 to V5.3.5 Build 160106 devices. The password in configuration file vulnerability could allow a malicious user to escalate privileges or assume the identity of another user and access sensitive information.

Weakness

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

Affected Software

Name Vendor Start Version End Version
Ds-2cd2032-i_firmware Hikvision - (including) - (including)
Ds-2cd2112-i_firmware Hikvision - (including) - (including)
Ds-2cd2132-i_firmware Hikvision - (including) - (including)
Ds-2cd2212-i5_firmware Hikvision - (including) - (including)
Ds-2cd2232-i5_firmware Hikvision - (including) - (including)
Ds-2cd2312-i_firmware Hikvision - (including) - (including)
Ds-2cd2332-i_firmware Hikvision - (including) - (including)
Ds-2cd2412f-i(w)_firmware Hikvision - (including) - (including)
Ds-2cd2432f-i(w)_firmware Hikvision - (including) - (including)
Ds-2cd2512f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd2532f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd2612f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd2632f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd2712f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd2732f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd2t32-i3_firmware Hikvision - (including) - (including)
Ds-2cd2t32-i5_firmware Hikvision - (including) - (including)
Ds-2cd2t32-i8_firmware Hikvision - (including) - (including)
Ds-2cd4012f-(a)_firmware Hikvision - (including) - (including)
Ds-2cd4012f-(p)_firmware Hikvision - (including) - (including)
Ds-2cd4012f-(w)_firmware Hikvision - (including) - (including)
Ds-2cd4012fwd-(a)_firmware Hikvision - (including) - (including)
Ds-2cd4012fwd-(p)_firmware Hikvision - (including) - (including)
Ds-2cd4012fwd-(w)_firmware Hikvision - (including) - (including)
Ds-2cd4024f-(a)_firmware Hikvision - (including) - (including)
Ds-2cd4024f-(p)_firmware Hikvision - (including) - (including)
Ds-2cd4024f-(w)_firmware Hikvision - (including) - (including)
Ds-2cd4032fwd-(a)_firmware Hikvision - (including) - (including)
Ds-2cd4032fwd-(p)_firmware Hikvision - (including) - (including)
Ds-2cd4032fwd-(w)_firmware Hikvision - (including) - (including)
Ds-2cd4112f-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4112fwd-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4124f-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4132fwd-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4212f-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4212f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4212f-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4212fwd-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4212fwd-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4212fwd-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4224f-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4224f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4224f-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4232fwd-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4232fwd-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4232fwd-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4312f-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4312f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4312f-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4324f-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4324f-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4324f-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd4332fwd-i(h)_firmware Hikvision - (including) - (including)
Ds-2cd4332fwd-i(s)_firmware Hikvision - (including) - (including)
Ds-2cd4332fwd-i(z)_firmware Hikvision - (including) - (including)
Ds-2cd6412fwd_firmware Hikvision - (including) - (including)

Extended Description

There are many different kinds of mistakes that introduce information exposures. The severity of the error can range widely, depending on the context in which the product operates, the type of sensitive information that is revealed, and the benefits it may provide to an attacker. Some kinds of sensitive information include:

Information might be sensitive to different parties, each of which may have their own expectations for whether the information should be protected. These parties include:

Information exposures can occur in different ways:

It is common practice to describe any loss of confidentiality as an “information exposure,” but this can lead to overuse of CWE-200 in CWE mapping. From the CWE perspective, loss of confidentiality is a technical impact that can arise from dozens of different weaknesses, such as insecure file permissions or out-of-bounds read. CWE-200 and its lower-level descendants are intended to cover the mistakes that occur in behaviors that explicitly manage, store, transfer, or cleanse sensitive information.

Potential Mitigations

  • Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

References