CVE-2019-1853 : Security Advisory and Response
Learn about CVE-2019-1853, an out-of-bounds memory read vulnerability in Cisco AnyConnect Secure Mobility Client for Linux. Find out the impact, affected systems, exploitation details, and mitigation steps.
A weakness has been identified in the HostScan feature of Cisco AnyConnect Secure Mobility Client for Linux, potentially allowing unauthorized access to sensitive data on a system.
Understanding CVE-2019-1853
This CVE involves an out-of-bounds memory read vulnerability in the Cisco AnyConnect Secure Mobility Client for Linux.
What is CVE-2019-1853?
The vulnerability arises from inadequate boundary validation in the HostScan feature, enabling attackers to access valuable information on compromised systems.
The Impact of CVE-2019-1853
Exploitation of this flaw could lead to unauthorized individuals gaining access to sensitive data on targeted systems.
Technical Details of CVE-2019-1853
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers to read sensitive information on affected systems due to improper bounds checks in the software.
Affected Systems and Versions
- Product: Cisco AnyConnect Secure Mobility Client
- Vendor: Cisco
- Versions: Unspecified
Exploitation Mechanism
Attackers can exploit the vulnerability by crafting HTTP traffic for the affected component to download and process, potentially leading to the unauthorized access of sensitive information.
Mitigation and Prevention
Steps to address and prevent the CVE-2019-1853 vulnerability.
Immediate Steps to Take
- Apply security patches provided by Cisco promptly.
- Monitor Cisco's security advisories for updates and recommendations.
- Implement network security measures to detect and prevent unauthorized access.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and mitigate potential risks.
- Educate users on safe browsing practices and security awareness.
Patching and Updates
- Cisco has released patches to address the vulnerability, and users are advised to update their software to the latest version to mitigate the risk of exploitation.