Dahua NVR50XX/NVR52XX/NVR54XX/NVR58XX up to DH_NVR5xxx_Eng_P_V2.616.0000.0.R.20171101 JSON Message improper authentication
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Dahua NVR50XX, NVR52XX, NVR54XX and NVR58XX up to DH_NVR5xxx_Eng_P_V2.616.0000.0.R.20171101. Affected by this vulnerability is an unknown function of the component JSON Message Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Authentication vulnerability found in Dahua NVR models NVR50XX, NVR52XX, NVR54XX, NVR58XX with software before DH_NVR5xxx_Eng_P_V2.616.0000.0.R.20171102. Attacker could exploit this vulnerability to gain access to additional operations by means of forging json message.
The bug was discovered 11/08/2017. The weakness was presented 11/13/2017 (Website). The advisory is shared at dahuasecurity.com. This vulnerability is known as CVE-2017-9314 since 05/30/2017. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation requires a single authentication. Neither technical details nor an exploit are publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version DH_NVR5xxx_Eng_P_V2.616.0000.0.R.20171102 eliminates this vulnerability.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
ATT&CK: Unknown
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: NVR50XX/NVR52XX/NVR54XX/NVR58XX DH_NVR5xxx_Eng_P_V2.616.0000.0.R.20171102
Timeline
05/30/2017 🔍11/08/2017 🔍
11/13/2017 🔍
11/13/2017 🔍
11/14/2017 🔍
12/06/2019 🔍
Sources
Advisory: dahuasecurity.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2017-9314 (🔍)
Entry
Created: 11/14/2017 14:23Updated: 12/06/2019 08:19
Changes: 11/14/2017 14:23 (58), 12/06/2019 08:19 (2)
Complete: 🔍
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