VDB-135528 · CVE-2018-11976 · GCVE-0-2018-11976

Qualcomm Snapdragon Auto ECDSA Signature Key cryptographic issue

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IoT, Snapdragon IoT, Snapdragon Mobile and Snapdragon Wearables. This affects an unknown function of the component ECDSA Signature Handler. The manipulation results in cryptographic issue (Key). This vulnerability was named CVE-2018-11976. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IoT, Snapdragon IoT, Snapdragon Mobile and Snapdragon Wearables (Chip Software). It has been classified as problematic. Affected is an unknown functionality of the component ECDSA Signature Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability (Key). CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality. CVE summarizes:

ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130

The weakness was presented 05/24/2019 (Website). The advisory is shared for download at qualcomm.com. This vulnerability is traded as CVE-2018-11976 since 06/07/2018. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.

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

See VDB-135532, VDB-135531, VDB-135530 and VDB-135529 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Chip Software

Vendor

Qualcomm

Name

License

commercial

Website

Vendor: https://www.qualcomm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: Key
Class: Cryptographic issue / Key
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/07/2018 🔍
05/24/2019 +351 days 🔍
05/25/2019 +1 days 🔍
06/15/2020 +387 days 🔍

Sourcesinfo

Vendor: qualcomm.com

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

CVE: CVE-2018-11976 (🔍)
GCVE (CVE): GCVE-0-2018-11976
GCVE (VulDB): GCVE-100-135528
See also: 🔍

Entryinfo

Created: 05/25/2019 09:43
Updated: 06/15/2020 18:07
Changes: 05/25/2019 09:43 (56), 06/15/2020 18:07 (1)
Complete: 🔍
Cache ID: 216::103

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