CVE-2017-17199 : Exploit Details and Defense Strategies
Learn about CVE-2017-17199 affecting Huawei DP300, RP200, V600R006C00, TE30, TE40, TE50, and TE60 devices. Discover the impact, affected systems, exploitation method, and mitigation steps.
Huawei DP300, RP200, V600R006C00, TE30, TE40, TE50, and TE60 devices are susceptible to an out-of-bounds read vulnerability due to mishandling of malformed H323 messages, potentially leading to service unavailability.
Understanding CVE-2017-17199
This CVE involves an out-of-bounds read vulnerability in Huawei devices, allowing attackers to disrupt services by sending malformed H323 messages.
What is CVE-2017-17199?
The vulnerability stems from improper handling of malformed H323 messages on Huawei devices, enabling attackers to exploit this flaw and potentially disrupt services.
The Impact of CVE-2017-17199
If successfully exploited, an attacker could cause affected devices to read beyond their intended boundaries, leading to service unavailability.
Technical Details of CVE-2017-17199
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in Huawei devices results from the improper processing of malformed H323 messages, allowing attackers to trigger an out-of-bounds read.
Affected Systems and Versions
- Huawei DP300 V500R002C00
- Huawei RP200 V500R002C00
- Huawei V600R006C00
- Huawei TE30 V100R001C10
- Huawei V500R002C00
- Huawei TE40 V500R002C00
- Huawei TE50 V500R002C00
- Huawei TE60 V100R001C10
Exploitation Mechanism
Attackers can exploit this vulnerability by sending malformed H323 reply messages to targeted Huawei devices, causing them to read beyond their intended boundaries.
Mitigation and Prevention
Protecting systems from CVE-2017-17199 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches provided by Huawei promptly.
- Implement network segmentation to limit the impact of potential attacks.
- Monitor network traffic for any signs of exploitation.
Long-Term Security Practices
- Regularly update and patch all Huawei devices.
- Conduct security training for staff to recognize and respond to potential threats.
Patching and Updates
Ensure all affected Huawei devices are updated with the latest patches to mitigate the vulnerability.