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

CVSS Meta Temp Score
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0). Affected is an unknown function of the component Shannon Baseband. Such manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2018-21057. The attack may be performed from remote. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Samsung Mobile Devices N(7.x)/O(8.x)/P(9.0) (Smartphone Operating System) and classified as critical. Affected by this issue is an unknown functionality of the component Shannon Baseband. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 stack-based buffer overflow in the Shannon Baseband. The Samsung ID is SVE-2018-12757 (September 2018).

The weakness was presented 04/08/2020 (Website). The advisory is shared for download at security.samsungmobile.com. This vulnerability is handled as CVE-2018-21057 since 04/07/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem.

See VDB-111342, VDB-111380, VDB-115287 and VDB-115285 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2020 🔍
04/08/2020 +1 days 🔍
04/09/2020 +1 days 🔍
10/07/2020 +181 days 🔍

Sourcesinfo

Vendor: samsung.com

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

CVE: CVE-2018-21057 (🔍)
GCVE (CVE): GCVE-0-2018-21057
GCVE (VulDB): GCVE-100-152888
See also: 🔍

Entryinfo

Created: 04/09/2020 08:58
Updated: 10/07/2020 17:23
Changes: 04/09/2020 08:58 (39), 04/09/2020 09:03 (18), 10/07/2020 17:23 (1)
Complete: 🔍
Cache ID: 216::103

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