CVE-2018-10958 : Security Advisory and Response

Exiv2 version 0.26 is susceptible to a memory allocation issue that can lead to a SIGABRT error. This vulnerability is identified as CVE-2018-10958.

Understanding CVE-2018-10958

Exiv2 version 0.26 experiences a critical flaw that triggers a SIGABRT error during memory allocation for a specific function call.

What is CVE-2018-10958?

When processing large values in the types.cpp file of Exiv2 version 0.26, an error occurs during memory allocation for the Exiv2::Internal::PngChunk::zlibUncompress function call.

The Impact of CVE-2018-10958

The vulnerability in Exiv2 version 0.26 can result in a SIGABRT error, potentially leading to a denial of service (DoS) condition or arbitrary code execution.

Technical Details of CVE-2018-10958

Examine the technical aspects of the CVE-2018-10958 vulnerability.

Vulnerability Description

The issue arises in types.cpp within Exiv2 0.26, where encountering a large value triggers a SIGABRT error during memory allocation for the Exiv2::Internal::PngChunk::zlibUncompress function call.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by providing a value of significant size, causing the memory allocation error in the Exiv2::Internal::PngChunk::zlibUncompress function.

Mitigation and Prevention

Learn how to address and prevent the CVE-2018-10958 vulnerability.

Immediate Steps to Take

Update Exiv2 to a patched version that addresses the memory allocation issue.
Monitor vendor advisories for patches and security updates.

Long-Term Security Practices

Regularly update software to mitigate known vulnerabilities.
Implement secure coding practices to prevent memory-related errors.

Patching and Updates

Apply patches provided by Exiv2 promptly to fix the vulnerability and prevent exploitation.