LG LNB/LND/LNU/LNV Access Control /updownload/t.report credentials management

CVSS Meta Temp Score
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in LG LNB, LND, LNU and LNV. It has been rated as critical. This vulnerability affects unknown code of the file /updownload/t.report of the component Access Control. This manipulation causes credentials management. This vulnerability is tracked as CVE-2018-16946. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability has been found in LG LNB, LND, LNU and LNV (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the file /updownload/t.report of the component Access Control. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

LG LNB*, LND*, LNU*, and LNV* smart network camera devices have broken access control. Attackers are able to download /updownload/t.report (aka Log & Report) files and download backup files (via download.php) without authenticating. These backup files contain user credentials and configuration information for the camera device. An attacker is able to discover the backup filename via reading the system logs or report data, or just by brute-forcing the backup filename pattern. It may be possible to authenticate to the admin account with the admin password.

The bug was discovered 09/12/2018. The weakness was disclosed 09/12/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-16946 since 09/11/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Proper firewalling of is able to address this issue.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45394). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

Timelineinfo

09/11/2018 🔍
09/11/2018 +0 days 🔍
09/12/2018 +1 days 🔍
09/12/2018 +0 days 🔍
09/12/2018 +0 days 🔍
09/04/2024 +2184 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-16946 (🔍)
GCVE (CVE): GCVE-0-2018-16946
GCVE (VulDB): GCVE-100-123907
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/12/2018 09:47
Updated: 09/04/2024 22:49
Changes: 09/12/2018 09:47 (57), 03/22/2020 21:02 (4), 09/04/2024 22:49 (17)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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