CVEs-PoC/2021/CVE-2021-1916.md

### [CVE-2021-1916](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1916)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20IoT%2C%20Snapdragon%20Voice%20%26%20Music%2C%20Snapdragon%20Wearables&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=APQ8009%2C%20APQ8009W%2C%20APQ8017%2C%20APQ8037%2C%20APQ8084%2C%20APQ8096AU%2C%20AQT1000%2C%20AR6003%2C%20CSR6030%2C%20CSRB31024%2C%20MDM8207%2C%20MDM8215%2C%20MDM8215M%2C%20MDM8615M%2C%20MDM9150%2C%20MDM9205%2C%20MDM9206%2C%20MDM9207%2C%20MDM9215%2C%20MDM9230%2C%20MDM9250%2C%20MDM9310%2C%20MDM9330%2C%20MDM9607%2C%20MDM9615%2C%20MDM9615M%2C%20MDM9625%2C%20MDM9628%2C%20MDM9630%2C%20MDM9635M%2C%20MDM9640%2C%20MDM9645%2C%20MDM9650%2C%20MDM9655%2C%20MSM8108%2C%20MSM8208%2C%20MSM8209%2C%20MSM8608%2C%20MSM8909W%2C%20MSM8917%2C%20MSM8920%2C%20MSM8937%2C%20MSM8940%2C%20MSM8976%2C%20MSM8976SG%2C%20MSM8996AU%2C%20QCA1990%2C%20QCA4004%2C%20QCA6174%2C%20QCA6174A%2C%20QCA6310%2C%20QCA6320%2C%20QCA6335%2C%20QCA6390%2C%20QCA6391%2C%20QCA6420%2C%20QCA6421%2C%20QCA6426%2C%20QCA6430%2C%20QCA6431%2C%20QCA6436%2C%20QCA6564A%2C%20QCA6564AU%2C%20QCA6574%2C%20QCA6574A%2C%20QCA6574AU%2C%20QCA6584%2C%20QCA6584AU%2C%20QCA6595AU%2C%20QCA6694%2C%20QCA6694AU%2C%20QCA6696%2C%20QCA9367%2C%20QCA9377%2C%20QCA9379%2C%20QCM4290%2C%20QCM6125%2C%20QCS410%2C%20QCS4290%2C%20QCS603%2C%20QCS605%2C%20QCS610%2C%20QCS6125%2C%20QCX315%2C%20QSW8573%2C%20Qualcomm215%2C%20SA415M%2C%20SA515M%2C%20SA6145P%2C%20SA6150P%2C%20SA6155%2C%20SA6155P%2C%20SA8145P%2C%20SA8150P%2C%20SA8155%2C%20SA8155P%2C%20SA8195P%2C%20SC8180X%2BSDX55%2C%20SD%20455%2C%20SD%20636%2C%20SD%20675%2C%20SD%208C%2C%20SD%208CX%2C%20SD205%2C%20SD210%2C%20SD429%2C%20SD439%2C%20SD450%2C%20SD480%2C%20SD632%2C%20SD665%2C%20SD67%20...%5Btruncated*%5D%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Integer%20Overflow%20to%20Buffer%20Overflow%20in%20Data%20Modem&color=brightgreen)

### Description

Possible buffer underflow due to lack of check for negative indices values when processing user provided input in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/august-2021-bulletin

#### Github
No PoCs found on GitHub currently.