CVE-2017-7525 : What You Need to Know
Learn about CVE-2017-7525, a deserialization flaw in jackson-databind versions before 2.6.7.1, 2.7.9.1, and 2.8.9, allowing unauthorized code execution. Find out the impact, affected systems, exploitation method, and mitigation steps.
A security vulnerability was found in versions earlier than 2.6.7.1, 2.7.9.1, and 2.8.9 of jackson-databind. This flaw pertains to the deserialization process and could potentially enable an unauthorized individual to execute code by submitting specifically manipulated data to the readValue method within the ObjectMapper.
Understanding CVE-2017-7525
This CVE identifies a deserialization flaw in jackson-databind versions prior to 2.6.7.1, 2.7.9.1, and 2.8.9, allowing unauthorized code execution.
What is CVE-2017-7525?
CVE-2017-7525 is a vulnerability in jackson-databind versions before 2.6.7.1, 2.7.9.1, and 2.8.9, enabling potential code execution through manipulated data.
The Impact of CVE-2017-7525
The vulnerability could be exploited by an unauthenticated user to execute arbitrary code by sending crafted input to the readValue method of the ObjectMapper.
Technical Details of CVE-2017-7525
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw in jackson-databind versions before 2.6.7.1, 2.7.9.1, and 2.8.9 allows attackers to execute code through manipulated data in the deserialization process.
Affected Systems and Versions
- Product: jackson-databind
- Vendor: FasterXML
- Affected Versions: before 2.6.7.1, 2.7.9.1, and 2.8.9
Exploitation Mechanism
Attackers can exploit this vulnerability by submitting specially crafted data to the readValue method within the ObjectMapper, leading to unauthorized code execution.
Mitigation and Prevention
To address CVE-2017-7525, follow these mitigation strategies:
Immediate Steps to Take
- Update jackson-databind to version 2.6.7.1, 2.7.9.1, or 2.8.9 or later.
- Implement proper input validation to prevent malicious data injection.
Long-Term Security Practices
- Regularly monitor security advisories for updates and patches.
- Conduct security audits and code reviews to identify vulnerabilities.
Patching and Updates
- Apply security patches provided by FasterXML to address the vulnerability in jackson-databind.