CVE-2017-8087 : Vulnerability Insights and Analysis
Discover the information leakage vulnerability in AVM Fritz!Box 7490 routers with Fritz!OS 6.80 and 6.83. Learn about the impact, affected systems, exploitation mechanism, and mitigation steps.
An issue of information leakage has been discovered in the PPPoE packet padding feature of AVM Fritz!Box 7490 with Fritz!OS firmware versions 6.80 and 6.83. This vulnerability enables attackers in close physical proximity to access certain segments of previously transmitted packets or parts of the device's memory. The specific method by which this can be achieved has not been disclosed.
Understanding CVE-2017-8087
This CVE identifies an information leakage vulnerability in AVM Fritz!Box 7490 routers with specific firmware versions.
What is CVE-2017-8087?
CVE-2017-8087 is an information leakage vulnerability in the PPPoE packet padding feature of AVM Fritz!Box 7490 routers running Fritz!OS firmware versions 6.80 and 6.83. Attackers in close physical proximity can exploit this flaw to access certain segments of transmitted packets or device memory.
The Impact of CVE-2017-8087
The vulnerability allows attackers to view slices of previously transmitted packets or portions of memory, potentially leading to unauthorized access to sensitive information stored on the device.
Technical Details of CVE-2017-8087
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability in PPPoE packet padding in AVM Fritz!Box 7490 with Fritz!OS 6.80 and 6.83 allows physically proximate attackers to view slices of previously transmitted packets or portions of memory via unspecified vectors.
Affected Systems and Versions
- AVM Fritz!Box 7490 with Fritz!OS firmware versions 6.80 and 6.83
Exploitation Mechanism
- Attackers need to be in close physical proximity to the device to exploit the vulnerability
Mitigation and Prevention
Protecting systems from CVE-2017-8087 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the Fritz!OS firmware to the latest version provided by AVM
- Implement network segmentation to limit physical access to vulnerable devices
Long-Term Security Practices
- Regularly monitor for firmware updates and apply them promptly
- Conduct security assessments to identify and mitigate potential vulnerabilities
Patching and Updates
- AVM may release patches or updates to address the information leakage vulnerability in Fritz!OS firmware versions 6.80 and 6.83