CVE-2017-12613 : Security Advisory and Response

CVE-2017-12613, published on October 24, 2017, affects Apache Portable Runtime (APR) versions prior to 1.6.2. The vulnerability arises when certain functions are called with an invalid month field value, potentially leading to memory access issues and information disclosure or denial of service.

Understanding CVE-2017-12613

This CVE entry highlights a vulnerability in Apache Portable Runtime (APR) versions before 1.6.2 that could result in memory access violations and potential security risks.

What is CVE-2017-12613?

When specific functions in Apache Portable Runtime (APR) are invoked with an incorrect month field value, it can trigger out-of-bounds memory access. This flaw may expose unrelated heap memory contents or cause program crashes, posing risks of information exposure or service denial.

The Impact of CVE-2017-12613

The vulnerability in CVE-2017-12613 could lead to severe consequences:

Unauthorized access to sensitive data
Service disruption or denial of service
Potential exploitation by malicious actors

Technical Details of CVE-2017-12613

This section delves into the technical aspects of the CVE, outlining the vulnerability description, affected systems, and exploitation mechanisms.

Vulnerability Description

The flaw in Apache Portable Runtime (APR) versions prior to 1.6.2 stems from improper handling of invalid month field values, allowing unauthorized memory access and potential data exposure.

Affected Systems and Versions

Product: Apache Portable Runtime
Vendor: Apache Software Foundation
Versions Affected: 1.6.2 and earlier

Exploitation Mechanism

By invoking certain functions with incorrect input, attackers can exploit this vulnerability to access out-of-bounds memory, potentially revealing sensitive information or causing application crashes.

Mitigation and Prevention

To address CVE-2017-12613, consider the following mitigation strategies and best practices.

Immediate Steps to Take

Update Apache Portable Runtime (APR) to version 1.6.2 or later
Implement input validation checks in applications using APR functions
Monitor for any unusual memory access patterns

Long-Term Security Practices

Regularly update software components and libraries
Conduct security assessments and code reviews to identify vulnerabilities
Stay informed about security advisories and patches

Patching and Updates

Apply security patches provided by Apache Software Foundation
Follow vendor recommendations for securing APR installations