CVE-2023-32698 : Security Advisory and Response
Get insights into CVE-2023-32698 affecting nFPM, an alternative to fpm, leading to incorrect default permissions. Learn about impacts, affected systems, and mitigation steps.
This article provides detailed information about CVE-2023-32698, where nFPM is vulnerable to Incorrect Default Permissions.
Understanding CVE-2023-32698
nFPM, an alternative to fpm, is affected by a vulnerability where file permissions on checked-in files are not maintained. This could lead to bad permissions on packaged files when proper configurations are not enforced.
What is CVE-2023-32698?
The CVE-2023-32698 vulnerability affects nFPM, allowing files to be packaged with incorrect default permissions due to a lack of enforcement of proper configurations, potentially resulting in bad permissions for files/folders.
The Impact of CVE-2023-32698
The impact of this vulnerability is high, with a CVSS v3.1 base score of 7.1. It has a low attack complexity but can have severe consequences on confidentiality and integrity.
Technical Details of CVE-2023-32698
This section delves into the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises from nFPM's failure to maintain file permissions on checked-in files, leading to potential bad permissions on packaged files.
Affected Systems and Versions
The affected vendor is Goreleaser, specifically the nFPM product. Versions ranging from >= 2.0.0 to < 2.29.0 and >= 0.1.0 to < 2.29.0 are impacted by this vulnerability.
Exploitation Mechanism
The exploitation occurs when files are packaged using nFPM without proper permission configurations, resulting in files with incorrect default permissions.
Mitigation and Prevention
To mitigate the risks associated with CVE-2023-32698, immediate steps should be taken along with the adoption of long-term security practices and timely patching and updates.
Immediate Steps to Take
Users of nFPM are advised to enforce proper file permissions before packaging to prevent files from having bad permissions. It is recommended to update to the latest patched versions.
Long-Term Security Practices
Implementing secure coding practices, regular security audits, and monitoring file permissions can help prevent similar vulnerabilities in the future.
Patching and Updates
Goreleaser has released patched versions, including v2.29.0, to address the vulnerability. Users are encouraged to update to the latest version to mitigate the risk of incorrect default permissions.