CVE-2020-1883 : Security Advisory and Response
Discover how attackers with high privileges can exploit the memory leak vulnerability in Huawei NIP6800, Secospace USG6600, and USG9500 products, causing service disruptions. Learn about the impact, affected systems, and mitigation measures.
Huawei products NIP6800, Secospace USG6600, and USG9500 are susceptible to a memory leak vulnerability that could be exploited by attackers with high privileges, leading to service disruptions.
Understanding CVE-2020-1883
This CVE involves a memory leak vulnerability in specific Huawei products.
What is CVE-2020-1883?
CVE-2020-1883 is a memory leak vulnerability found in Huawei products NIP6800, Secospace USG6600, and USG9500. An attacker with elevated privileges can exploit this flaw by continuously executing certain actions, potentially resulting in service disruptions.
The Impact of CVE-2020-1883
Successful exploitation of this vulnerability can lead to service abnormalities within affected Huawei products, impacting their performance and reliability.
Technical Details of CVE-2020-1883
This section delves into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability is characterized by a memory leak issue that arises when specific operations are repeatedly performed by an attacker with high privileges.
Affected Systems and Versions
- NIP6800: V500R001C60SPC500
- Secospace USG6600: V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500
- USG9500: V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500
Exploitation Mechanism
By continuously executing certain operations, an attacker with elevated privileges triggers the memory leak vulnerability, potentially causing service disruptions.
Mitigation and Prevention
Discover the steps to mitigate and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Apply patches or updates provided by Huawei to address the memory leak vulnerability promptly.
- Restrict access to vulnerable systems to authorized personnel only.
Long-Term Security Practices
- Regularly monitor system logs and network traffic for any unusual activities that may indicate exploitation attempts.
- Conduct security audits and assessments periodically to identify and resolve vulnerabilities proactively.
Patching and Updates
- Keep systems up to date with the latest security patches and firmware releases from Huawei to mitigate the risk of memory leak exploitation.