VDB-100900 · CVE-2017-7927 · BID 98312

Dahua DH-IPC-Hxxxxxxxxx Authentication hard-coded credentials

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Dahua DH-IPC-Hxxxxxxxxx. This affects an unknown function of the component Authentication. Executing a manipulation can lead to hard-coded credentials. This vulnerability is registered as CVE-2017-7927. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as critical was found in Dahua DH-IPC-Hxxxxxxxxx (affected version not known). This vulnerability affects some unknown functionality of the component Authentication. The manipulation with an unknown input leads to a hard-coded credentials vulnerability. The CWE definition for the vulnerability is CWE-798. The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A Use of Password Hash Instead of Password for Authentication issue was discovered in Dahua DH-IPC-HDBW23A0RN-ZS, DH-IPC-HDBW13A0SN, DH-IPC-HDW1XXX, DH-IPC-HDW2XXX, DH-IPC-HDW4XXX, DH-IPC-HFW1XXX, DH-IPC-HFW2XXX, DH-IPC-HFW4XXX, DH-SD6CXX, DH-NVR1XXX, DH-HCVR4XXX, DH-HCVR5XXX, DHI-HCVR51A04HE-S3, DHI-HCVR51A08HE-S3, and DHI-HCVR58A32S-S2 devices. The use of password hash instead of password for authentication vulnerability was identified, which could allow a malicious user to bypass authentication without obtaining the actual password.

The bug was discovered 05/04/2017. The weakness was published 05/06/2017 by bashis (Website). The advisory is shared for download at us.dahuasecurity.com. This vulnerability was named CVE-2017-7927 since 04/18/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1110.001.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 98312†). Similar entry is available at VDB-100899. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Hard-coded credentials
CWE: CWE-798 / CWE-259 / CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 802934
OpenVAS Name: Dahua Devices Authentication Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/18/2017 🔍
05/04/2017 +16 days 🔍
05/04/2017 +0 days 🔍
05/05/2017 +1 days 🔍
05/06/2017 +1 days 🔍
05/06/2017 +0 days 🔍
12/22/2020 +1326 days 🔍

Sourcesinfo

Advisory: us.dahuasecurity.com
Researcher: Bashis (bashis)
Status: Not defined

CVE: CVE-2017-7927 (🔍)
GCVE (CVE): GCVE-0-2017-7927
GCVE (VulDB): GCVE-100-100900
SecurityFocus: 98312 - Dahua Technology Authentication Bypass and Information Disclosure Vulnerabilities
OSVDB: - CVE-2017-7927 - Dahuasecurity - Dh-Hcvr4Xxx Firmware - High

See also: 🔍

Entryinfo

Created: 05/06/2017 18:33
Updated: 12/22/2020 13:49
Changes: 05/06/2017 18:33 (63), 09/24/2020 10:13 (5), 12/22/2020 13:49 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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