Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) Exynos Chipset out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) and classified as critical. The affected element is an unknown function of the component Exynos Chipset. Performing a manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2019-20621. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) (Smartphone Operating System). It has been classified as critical. This affects an unknown part of the component Exynos Chipset. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on Samsung mobile devices with N(7.x), O(8.x), and P(9.0) (Exynos chipsets) software. There is a baseband heap overflow. The Samsung ID is SVE-2018-13187 (February 2019).

The weakness was shared 03/24/2020 (Website). The advisory is shared at security.samsungmobile.com. This vulnerability is uniquely identified as CVE-2019-20621 since 03/23/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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

The entries VDB-111342, VDB-111380, VDB-115287 and VDB-115285 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
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: Out-of-bounds write
CWE: CWE-787 / CWE-119
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

03/23/2020 🔍
03/24/2020 +1 days 🔍
03/25/2020 +1 days 🔍
10/04/2020 +193 days 🔍

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-20621 (🔍)
GCVE (CVE): GCVE-0-2019-20621
GCVE (VulDB): GCVE-100-152169
See also: 🔍

Entryinfo

Created: 03/25/2020 10:11
Updated: 10/04/2020 07:12
Changes: 03/25/2020 10:11 (38), 03/25/2020 10:16 (18), 10/04/2020 07:12 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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