VDB-11236 · OSVDB 100011 · GCVE-100-11236

LG Smart TV Collection of Watching Info cleartext storage

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 categorized as problematic has been discovered in LG Smart TV. Impacted is an unknown function of the component Collection of Watching Info. Executing a manipulation can lead to cleartext storage. The attack can be executed remotely. There is not any exploit available. This vulnerability is historically impactful due to its background and the reception it garnered. Configuration settings should be changed.

Detailsinfo

A vulnerability has been found in LG Smart TV (Digital Media Player) (affected version unknown) and classified as critical. This vulnerability affects an unknown functionality of the component Collection of Watching Info. The manipulation with an unknown input leads to a cleartext storage vulnerability. The CWE definition for the vulnerability is CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. As an impact it is known to affect confidentiality.

The bug was discovered 11/18/2013. The weakness was released 11/18/2013 by DoctorBeet as LG Smart TVs logging USB filenames and viewing info to LG servers as not defined blog post (Blogspot). The advisory is shared for download at doctorbeet.blogspot.ch. The public release happened without coordination with the vendor. The exploitation appears to be easy. 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 current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/08/2018). The MITRE ATT&CK project declares the attack technique as T1555. This vulnerability has a historic impact due to its background and reception. The advisory points out:

This information appears to be sent back unencrypted and in the clear to LG every time you change channel, even if you have gone to the trouble of changing the setting to switch collection of viewing information off. It was at this point, I made an even more disturbing find within the packet data dumps. I noticed filenames were being posted to LG's servers and that these filenames were ones stored on my external USB hard drive.
From the Vendor's official website: "LG Smart Ad analyses users favourite programs, online behaviour, search keywords and other information to offer relevant ads to target audiences. For example, LG Smart Ad can feature sharp suits to men, or alluring cosmetics and fragrances to women. Furthermore, LG Smart Ad offers useful and various advertising performance reports. That live broadcasting ads cannot. To accurately identify actual advertising effectiveness."

It is possible to mitigate the problem by applying the configuration setting . A possible mitigation has been published immediately after the disclosure of the vulnerability. This is an initial list of Internet domains that may be blocked to stop spying and advertising on TVs: ad.lgappstv.com, yumenetworks.com, smartclip.net, smartclip.com, smartshare.lgtvsdp.com and ibis.lgappstv.com.

The vulnerability is also documented in the vulnerability database at OSVDB (100011†). Additional details are provided at scip.ch. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cleartext storage
CWE: CWE-312 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/18/2013 🔍
11/18/2013 +0 days 🔍
11/18/2013 +0 days 🔍
11/25/2013 +7 days 🔍
10/08/2018 +1778 days 🔍

Sourcesinfo

Advisory: LG Smart TVs logging USB filenames and viewing info to LG servers
Researcher: DoctorBeet
Status: Not defined

GCVE (VulDB): GCVE-100-11236
OSVDB: 100011

Misc.: 🔍

Entryinfo

Created: 11/25/2013 08:40
Updated: 10/08/2018 14:57
Changes: 11/25/2013 08:40 (51), 10/08/2018 14:57 (2)
Complete: 🔍
Committer:
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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