Honeywell NVR /RPC2 userManager.addUser access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Honeywell NVR and classified as critical. Affected by this vulnerability is the function userManager.addUser of the file /RPC2. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2017-14263. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in Honeywell NVR (the affected version is unknown) and classified as critical. This vulnerability affects the function userManager.addUser of the file /RPC2. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Honeywell NVR devices allow remote attackers to create a user account in the admin group by leveraging access to a guest account to obtain a session ID, and then sending that session ID in a userManager.addUser request to the /RPC2 URI. The attacker can login to the device with that new user account to fully control the device.

The bug was discovered 09/10/2017. The weakness was presented 09/11/2017 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-14263 since 09/10/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

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.

See VDB-106347 for similar entry. 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: 7.7
VulDB Meta Temp Score: 7.7

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/10/2017 🔍
09/10/2017 +0 days 🔍
09/11/2017 +1 days 🔍
09/11/2017 +0 days 🔍
09/11/2017 +0 days 🔍
11/14/2019 +794 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2017-14263 (🔍)
GCVE (CVE): GCVE-0-2017-14263
GCVE (VulDB): GCVE-100-106348
See also: 🔍

Entryinfo

Created: 09/11/2017 16:20
Updated: 11/14/2019 15:28
Changes: 09/11/2017 16:20 (51), 11/14/2019 15:28 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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