CVE-2019-2251 Explained : Impact and Mitigation
Learn about CVE-2019-2251 affecting Qualcomm Snapdragon products. Loading bitmap files from unauthenticated sources can lead to stack buffer overflow. Find mitigation steps and preventive measures here.
If an unauthenticated source is used to load a bitmap file, there is a potential risk of a stack buffer overflow occurring in various Qualcomm Snapdragon products.
Understanding CVE-2019-2251
This CVE highlights a vulnerability in Qualcomm Snapdragon products that could lead to a stack buffer overflow when loading a bitmap file from an unauthenticated source.
What is CVE-2019-2251?
- The vulnerability arises from loading a bitmap file from an unauthenticated source, posing a risk of a stack buffer overflow.
- Affected products include Snapdragon Auto, Compute, Connectivity, Consumer Electronics Connectivity, Consumer IOT, Industrial IOT, Mobile, Voice & Music.
The Impact of CVE-2019-2251
- Exploitation of this vulnerability could potentially lead to unauthorized access, data corruption, or system crashes.
Technical Details of CVE-2019-2251
This section provides more technical insights into the vulnerability.
Vulnerability Description
- Loading a bitmap file from an unauthenticated source can trigger a stack buffer overflow.
Affected Systems and Versions
- Products affected include APQ8016, APQ8096AU, APQ8098, MDM9205, MSM8996AU, MSM8998, Nicobar, QCS405, QCS605, SA6155P, SC8180X, SDA660, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX24, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130.
Exploitation Mechanism
- The vulnerability is exploited by using an unauthenticated source to load a bitmap file, triggering the stack buffer overflow.
Mitigation and Prevention
Steps to mitigate and prevent the exploitation of CVE-2019-2251.
Immediate Steps to Take
- Avoid loading bitmap files from unauthenticated sources.
- Implement file validation mechanisms to ensure the integrity of loaded files.
Long-Term Security Practices
- Regularly update software and firmware to patch known vulnerabilities.
- Conduct security assessments and audits to identify and address potential risks.
Patching and Updates
- Apply patches and updates provided by Qualcomm to address the vulnerability.