CVE-2018-12713 : Security Advisory and Response

GIMP through version 2.10.2 is vulnerable to a flaw that can allow attackers to overwrite existing files or access private file content.

Understanding CVE-2018-12713

This CVE entry highlights a security issue in GIMP versions up to 2.10.2 that could be exploited by malicious actors.

What is CVE-2018-12713?

GIMP up to version 2.10.2 uses g_get_tmp_dir calls to create temporary filenames, potentially resulting in the generation of filenames that already exist. The vulnerability is demonstrated in the gimp_write_and_read_file function in app/tests/test-xcf.c.

The Impact of CVE-2018-12713

Exploiting this vulnerability could enable attackers to overwrite existing files or gain unauthorized access to private file content.

Technical Details of CVE-2018-12713

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The flaw arises from the use of g_get_tmp_dir calls in GIMP, leading to the creation of duplicate filenames, which can be leveraged by attackers.

Affected Systems and Versions

Product: GIMP
Vendor: N/A
Versions affected: Up to 2.10.2

Exploitation Mechanism

The vulnerability can be exploited through the gimp_write_and_read_file function in app/tests/test-xcf.c, allowing attackers to manipulate file operations.

Mitigation and Prevention

Protecting systems from CVE-2018-12713 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update GIMP to the latest version to mitigate the vulnerability.
Regularly monitor for any suspicious file activities.

Long-Term Security Practices

Implement file access controls to restrict unauthorized access.
Conduct regular security audits to identify and address potential vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates for GIMP to address known vulnerabilities.