VDB-132488 · CVE-2018-12182 · BID 107648

EDK II SMM Service confused deputy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability was found in EDK II. It has been declared as critical. This issue affects some unknown processing of the component SMM Service. Such manipulation leads to confused deputy. This vulnerability is listed as CVE-2018-12182. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in EDK II (version now known). It has been rated as critical. Affected by this issue is some unknown processing of the component SMM Service. The manipulation with an unknown input leads to a confused deputy vulnerability. Using CWE to declare the problem leads to CWE-441. The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. This causes the product to appear to be the source of the request, leading it to act as a proxy or other intermediary between the upstream component and the external actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Insufficient memory write check in SMM service for EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.

The bug was discovered 05/09/2019. The weakness was presented 03/27/2019 (Website). The advisory is shared for download at edk2-docs.gitbooks.io. This vulnerability is handled as CVE-2018-12182 since 06/11/2018. The attack needs to be approached locally. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available.

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

See VDB-132489, VDB-132487, VDB-132486 and VDB-132485 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.7
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: Confused deputy
CWE: CWE-441
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

06/11/2018 🔍
03/27/2019 +289 days 🔍
03/28/2019 +1 days 🔍
05/09/2019 +42 days 🔍
08/08/2023 +1552 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-d47a9d4b8b
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-12182 (🔍)
GCVE (CVE): GCVE-0-2018-12182
GCVE (VulDB): GCVE-100-132488
SecurityFocus: 107648

See also: 🔍

Entryinfo

Created: 03/28/2019 11:33
Updated: 08/08/2023 18:30
Changes: 03/28/2019 11:33 (53), 05/22/2020 07:53 (2), 08/08/2023 18:30 (4)
Complete: 🔍
Cache ID: 216::103

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