CVE-2020-28840 : What You Need to Know
CVE-2020-28840 exposes a Buffer Overflow flaw in jhead 3.04, allowing local attackers to execute arbitrary code and cause a denial of service. Learn about the impact, affected systems, and mitigation steps.
A Buffer Overflow vulnerability in jpgfile.c in Matthias-Wandel jhead version 3.04 allows local attackers to execute arbitrary code and cause a denial of service (DoS).
Understanding CVE-2020-28840
This CVE identifies a specific vulnerability in the jhead software version 3.04, potentially enabling attackers to execute malicious code and disrupt services.
What is CVE-2020-28840?
The CVE-2020-28840 is a Buffer Overflow vulnerability found in the jpgfile.c file of the jhead software, which could be exploited by local attackers to trigger arbitrary code execution and initiate a denial of service attack.
The Impact of CVE-2020-28840
The exploitation of this vulnerability could lead to severe consequences, including unauthorized code execution and service disruption, posing a significant risk to the affected systems.
Technical Details of CVE-2020-28840
This section provides more in-depth technical insights into the CVE-2020-28840 vulnerability.
Vulnerability Description
The Buffer Overflow vulnerability in jpgfile.c in Matthias-Wandel jhead version 3.04 allows local attackers to execute arbitrary code and cause a denial of service (DoS) by exploiting the software's improper handling of certain data inputs.
Affected Systems and Versions
- Vendor: n/a
- Product: n/a
- Versions Affected: n/a
Exploitation Mechanism
The vulnerability can be exploited locally by manipulating specific data inputs, leading to a buffer overflow condition that enables attackers to execute malicious code and disrupt normal system operations.
Mitigation and Prevention
To address and prevent the risks associated with CVE-2020-28840, the following steps are recommended:
Immediate Steps to Take
- Disable or restrict access to the vulnerable software until a patch is available.
- Monitor network traffic for any signs of exploitation attempts.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement strong access controls and least privilege principles to limit the impact of potential attacks.
Patching and Updates
- Stay informed about security advisories and updates from the software vendor.
- Apply patches and updates promptly to ensure the software is protected against known vulnerabilities.