CVE-2020-0495 : What You Need to Know
Learn about CVE-2020-0495, an Android-11 vulnerability causing local information disclosure. Find details on impact, affected systems, exploitation, and mitigation steps.
This CVE-2020-0495 involves an information disclosure vulnerability in Android-11, potentially leading to local data exposure.
Understanding CVE-2020-0495
What is CVE-2020-0495?
In decode_Huffman of JBig2_SddProc.cpp, an integer overflow may trigger an out-of-bounds write, permitting local data disclosure without additional user privileges.
The Impact of CVE-2020-0495
The vulnerability could result in local information disclosure without requiring user interaction.
Technical Details of CVE-2020-0495
Vulnerability Description
The issue stems from an integer overflow in decode_Huffman of JBig2_SddProc.cpp, leading to a potential out-of-bounds write scenario.
Affected Systems and Versions
- Affected Product: Android
- Affected Version: Android-11
Exploitation Mechanism
The vulnerability allows an attacker to trigger an out-of-bounds write operation via decode_Huffman.
Mitigation and Prevention
Immediate Steps to Take
- Update affected Android devices to a fixed version to mitigate the risk.
- Monitor security bulletins and patches from the vendor for relevant updates.
Long-Term Security Practices
- Employ system-wide security monitoring to detect unusual activities.
- Regularly update and patch software to prevent exploitation.
Patching and Updates
- Apply vendor-released patches promptly to address the vulnerability.