CVE-2019-13103 : Security Advisory and Response
Learn about CVE-2019-13103, a vulnerability in Das U-Boot versions up to 2019.07-rc4 allowing infinite recursion with potential stack overflow and data corruption. Find mitigation steps and updates.
Das U-Boot versions up to 2019.07-rc4 are vulnerable to a crafted self-referential DOS partition table, leading to infinite recursion and potential stack overflow.
Understanding CVE-2019-13103
A vulnerability in Das U-Boot that allows for infinite recursion due to a self-referential DOS partition table.
What is CVE-2019-13103?
A crafted self-referential DOS partition table can cause Das U-Boot versions up to 2019.07-rc4 to infinitely recurse, potentially crashing or overwriting data.
The Impact of CVE-2019-13103
- Infinite recursion in Das U-Boot up to 2019.07-rc4
- Stack growth leading to crashes or data overwrites
Technical Details of CVE-2019-13103
Das U-Boot vulnerability details
Vulnerability Description
A deliberately designed DOS partition table that refers to itself causes infinite recursion in Das U-Boot, leading to stack growth and potential crashes or data corruption.
Affected Systems and Versions
- All versions of Das U-Boot up to 2019.07-rc4
Exploitation Mechanism
- Crafting a self-referential DOS partition table
Mitigation and Prevention
Protecting systems from CVE-2019-13103
Immediate Steps to Take
- Update Das U-Boot to a patched version
- Monitor for unusual stack growth or crashes
Long-Term Security Practices
- Regularly update firmware and software
- Implement secure coding practices
Patching and Updates
- Apply patches provided by Das U-Boot to fix the vulnerability