Qualcomm Snapdragon Auto ECDSA Signature Key information disclosure

A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IoT, Snapdragon IoT, Snapdragon Mobile and Snapdragon Wearables. It has been classified as problematic. Affected is code of the component ECDSA Signature Handler. The manipulation with an unknown input leads to a information disclosure vulnerability (Key). CWE is classifying the issue as CWE-200. 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. The advisory is shared for download at qualcomm.com. This vulnerability is traded as CVE-2018-11976 since 06/07/2018. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/25/2019).

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

See 135524, 135525, 135526 and 135527 for similar entries.

Vendor

Name

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: ≈3.5
VulDB Temp Score: ≈3.5
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Information disclosure / Key (CWE-200)
Local: Yes
Remote: No

Availability: ?
Status: Not defined

Current Price Estimation: ?

Price Prediction: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: no mitigation known

0-Day Time: ?

06/07/2018 CVE assigned
05/24/2019 +351 days Advisory disclosed
05/25/2019 +1 days VulDB entry created
05/25/2019 +0 days VulDB last updateVendor: qualcomm.com

Advisory: qualcomm.com

CVE: CVE-2018-11976 (?)
See also: ?

Created: 05/25/2019 09:43 AM
Complete: ?

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