Qualcomm Snapdragon Mobile SD 845/SD 850 Core module access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Qualcomm Snapdragon Mobile SD 845/SD 850. Affected by this issue is some unknown functionality of the component Core module. This manipulation causes access control. This vulnerability is registered as CVE-2018-11951. The attack needs to be launched locally. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Qualcomm Snapdragon Mobile SD 845/SD 850 (Chip Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Core module. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Improper access control in core module lead XBL_LOADER performs the ZI region clear for QTEE instead of XBL_SEC in Snapdragon Mobile in version SD 845, SD 850.

The bug was discovered 10/01/2018. The weakness was published 10/26/2018 (Website). It is possible to read the advisory at qualcomm.com. This vulnerability is known as CVE-2018-11951 since 06/07/2018. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 25 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Similar entries are available at VDB-120497, VDB-120506, VDB-120507 and VDB-120508. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/07/2018 🔍
10/01/2018 +116 days 🔍
10/26/2018 +24 days 🔍
10/26/2018 +0 days 🔍
10/27/2018 +1 days 🔍
05/03/2020 +554 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11951 (🔍)
GCVE (CVE): GCVE-0-2018-11951
GCVE (VulDB): GCVE-100-125995
See also: 🔍

Entryinfo

Created: 10/27/2018 18:24
Updated: 05/03/2020 18:06
Changes: 10/27/2018 18:24 (59), 05/03/2020 18:06 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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