CVE-2018-14743 : Security Advisory and Response

A problem was identified in the library libpbc.a in cloudwu PBC up to the version 2017-03-02. It is possible for a segmentation fault (SEGV) to happen during the execution of the wiretype_decode function in the file context.c.

Understanding CVE-2018-14743

An issue was discovered in libpbc.a in cloudwu PBC through 2017-03-02. A SEGV can occur in wiretype_decode in context.c.

What is CVE-2018-14743?

CVE-2018-14743 is a vulnerability found in the cloudwu PBC library that can lead to a segmentation fault during the execution of a specific function.

The Impact of CVE-2018-14743

The vulnerability can potentially cause a segmentation fault, which may result in a denial of service or possibly allow attackers to execute arbitrary code.

Technical Details of CVE-2018-14743

The technical details of the CVE-2018-14743 vulnerability are as follows:

Vulnerability Description

The issue exists in the wiretype_decode function in the context.c file of the libpbc.a library in cloudwu PBC up to version 2017-03-02.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Up to version 2017-03-02

Exploitation Mechanism

Attackers can exploit this vulnerability by triggering the wiretype_decode function, leading to a segmentation fault during execution.

Mitigation and Prevention

To address CVE-2018-14743, consider the following mitigation strategies:

Immediate Steps to Take

Update to a patched version of the cloudwu PBC library if available.
Implement proper input validation to prevent malicious inputs.

Long-Term Security Practices

Regularly monitor for security advisories related to the cloudwu PBC library.
Conduct security assessments and code reviews to identify and address vulnerabilities.

Patching and Updates

Apply patches provided by the vendor promptly to mitigate the vulnerability and enhance system security.