VDB-141991 · CVE-2019-9679 · GCVE-0-2019-9679

Dahua IPC-HDW1X2X Debug Function default permission

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Dahua IPC-HDW1X2X, IPC-HFW1X2X, IPC-HDW2X2X, IPC-HFW2X2X, IPC-HDW4X2X, IPC-HFW4X2X, IPC-HDBW4X2X, IPC-HDW5X2X and IPC-HFW5X2X and classified as critical. This vulnerability affects unknown code of the component Debug Function. This manipulation causes default permission. This vulnerability is handled as CVE-2019-9679. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Dahua IPC-HDW1X2X, IPC-HFW1X2X, IPC-HDW2X2X, IPC-HFW2X2X, IPC-HDW4X2X, IPC-HFW4X2X, IPC-HDBW4X2X, IPC-HDW5X2X and IPC-HFW5X2X. It has been declared as critical. Affected by this vulnerability is an unknown part of the component Debug Function. The manipulation with an unknown input leads to a default permission vulnerability. The CWE definition for the vulnerability is CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Some of Dahua's Debug functions do not have permission separation. Low-privileged users can use the Debug function after logging in. Affected products include: IPC-HDW1X2X,IPC-HFW1X2X,IPC-HDW2X2X,IPC-HFW2X2X,IPC-HDW4X2X,IPC-HFW4X2X,IPC-HDBW4X2X,IPC-HDW5X2X,IPC-HFW5X2X for versions which Build time is before August 18,2019.

The weakness was released 09/18/2019 (Website). It is possible to read the advisory at dahuasecurity.com. This vulnerability is known as CVE-2019-9679 since 03/11/2019. The attack can be launched remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1222 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-141951, VDB-141989, VDB-141990 and VDB-141992. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Dahua

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Default permission
CWE: CWE-276 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/11/2019 🔍
08/18/2019 +160 days 🔍
09/18/2019 +31 days 🔍
09/19/2019 +1 days 🔍
08/30/2020 +346 days 🔍

Sourcesinfo

Advisory: dahuasecurity.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-9679 (🔍)
GCVE (CVE): GCVE-0-2019-9679
GCVE (VulDB): GCVE-100-141991
See also: 🔍

Entryinfo

Created: 09/19/2019 14:35
Updated: 08/30/2020 15:21
Changes: 09/19/2019 14:35 (56), 08/30/2020 15:21 (1)
Complete: 🔍
Cache ID: 216::103