Sony Bravia TV Wi-Fi SYN Flood resource management

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Sony Bravia TV. The affected element is an unknown function of the component Wi-Fi Handler. Executing a manipulation as part of SYN Flood can lead to resource management. This vulnerability is handled as CVE-2019-11890. The attack can only be done within the local network. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Sony Bravia TV (Digital Media Player) (unknown version) and classified as problematic. This vulnerability affects an unknown code block of the component Wi-Fi Handler. The manipulation as part of a SYN Flood leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

Sony Bravia Smart TV devices allow remote attackers to cause a denial of service (device hang or reboot) via a SYN flood attack over a wired or Wi-Fi LAN.

The weakness was released 07/09/2019 as not defined mailinglist post (Full-Disclosure). The advisory is available at seclists.org. This vulnerability was named CVE-2019-11890 since 05/13/2019. Access to the local network is required for this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/18/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-137505. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
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: Resource management
CWE: CWE-399 / CWE-404
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

05/13/2019 🔍
07/09/2019 +57 days 🔍
07/09/2019 +0 days 🔍
10/18/2023 +1562 days 🔍

Sourcesinfo

Advisory: 153547
Status: Not defined

CVE: CVE-2019-11890 (🔍)
GCVE (CVE): GCVE-0-2019-11890
GCVE (VulDB): GCVE-100-137506
See also: 🔍

Entryinfo

Created: 07/09/2019 21:35
Updated: 10/18/2023 13:01
Changes: 07/09/2019 21:35 (40), 07/02/2020 16:24 (18), 10/18/2023 13:01 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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