Qualcomm Snapdragon Mobile up to SD 820 TEE SE API Session Management double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Qualcomm Snapdragon Mobile up to SD 820 and classified as critical. This affects an unknown part of the component TEE SE API Session Management. Such manipulation leads to double free. This vulnerability is traded as CVE-2017-18297. An attack has to be approached locally. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Mobile up to SD 820 (Chip Software). It has been rated as critical. Affected by this issue is an unknown code of the component TEE SE API Session Management. The manipulation with an unknown input leads to a double free vulnerability. Using CWE to declare the problem leads to CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Double memory free while closing TEE SE API Session management in Snapdragon Mobile in version SD 425, SD 430, SD 450, SD 625, SD 650/52, SD 820.

The bug was discovered 09/04/2018. The weakness was shared 10/23/2018 (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2017-18297 since 06/15/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 49 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

The entries VDB-124288, VDB-124289, VDB-124290 and VDB-125857 are related to this item. 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: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.8
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: Double free
CWE: CWE-415 / CWE-119
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

06/15/2018 🔍
09/04/2018 +81 days 🔍
10/23/2018 +48 days 🔍
10/23/2018 +0 days 🔍
10/24/2018 +1 days 🔍
05/30/2023 +1679 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: source.android.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-18297 (🔍)
GCVE (CVE): GCVE-0-2017-18297
GCVE (VulDB): GCVE-100-125864
SecurityTracker: 1041432

See also: 🔍

Entryinfo

Created: 10/24/2018 06:54
Updated: 05/30/2023 15:56
Changes: 10/24/2018 06:54 (59), 05/03/2020 16:23 (2), 05/30/2023 15:56 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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