A flaw was discovered in the mholt/archiver package. This flaw allows an attacker to create a specially crafted tar file, which, when unpacked, may allow access to restricted files or directories. This issue can allow the creation or overwriting of files with the user's or application's privileges using the library. The vulnerability has a CVSS score of 6.1, indicating a medium severity level. Organizations utilizing affected systems should take this issue seriously, as it can lead to unauthorized access to sensitive data.
The risk to organizations includes potential data breaches and unauthorized modifications to critical files. As such, organizations should prioritize patching immediately to prevent exploitation of this vulnerability. The flaw is particularly concerning due to its exploitability, with known exploits available, which indicates an elevated risk for those who have not yet remediated.
Given the nature of this vulnerability and the potential impact, organizations utilizing RedHat products such as advanced_cluster_security, archiver, and openshift_container_platform should implement necessary patches and remediation steps without delay. The vulnerability was published on April 6, 2024, and has since been analyzed, revealing critical insights into its exploit potential.
The urgency for defenders cannot be overstated, as this vulnerability poses a tangible threat to system integrity and confidentiality. Organizations should ensure that their security teams are aware of this issue and are prepared to respond accordingly.
Vulnerability Details
The vulnerability allows an attacker to manipulate file paths via crafted tar files, classified under CWE-22 (Improper Limitation of a Pathname to a Restricted Directory). The CVSS score of 6.1 reflects a medium severity, with a low attack complexity and no privileges required for exploitation, but it does require user interaction to trigger. The vendor, RedHat, has acknowledged this flaw and provides mitigation strategies through patches.
Technical Analysis
The root cause of this vulnerability lies in the way the mholt/archiver package processes tar files. Specifically, it fails to adequately validate file paths, allowing attackers to craft tar files that exploit this weakness. The attack vector is localized, requiring access to the system where the vulnerable software is running. The exploit complexity is low, with no privileges required for execution, but user interaction is necessary to unpack the crafted tar file.
The impact of this vulnerability is significant, with potential ramifications for confidentiality and integrity. While the availability impact remains unaffected, unauthorized access to files can lead to data breaches, making it imperative for organizations to act swiftly.
Risk & Impact Analysis
In real-world deployments, the risk associated with this vulnerability can lead to unauthorized access to sensitive files, potentially resulting in data breaches or system compromises. Organizations relying on the affected products must understand the urgency to remediate this vulnerability based on its CVSS score of 6.1 and its known exploit availability. The blast radius could affect any system utilizing the mholt/archiver package, especially where user interaction is common.
Organizations should address this vulnerability in their priority patch cycle to mitigate risks effectively. This vulnerability exemplifies the need for continuous monitoring and security assessments to prevent exploitation.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The following versions of affected products are vulnerable: mholt/archiver from versions 3.0.0 to below 4.0.0, RedHat advanced_cluster_security version 3.0, and RedHat openshift_container_platform from version 4.18 to below 4.18.4. Organizations should ensure they are using the patched versions.
Mitigation & Remediation
Organizations should apply the latest patches provided by RedHat for the affected products. For more information on the remediation steps, organizations can refer to the application security assessment services that help identify vulnerabilities in their systems. Additionally, configuration hardening should be prioritized to reduce the attack surface and enhance overall security.
Detection Guidance
To detect potential exploitation of this vulnerability, organizations should monitor logs for unusual activity related to file access and modifications. Behavioral anomalies, specifically unexpected file creations or overwrites, should be investigated promptly. Implementing network signatures to identify malformed tar file uploads can also aid in detection efforts.
AppSecure Threat Intelligence Insight
This vulnerability highlights a persistent issue within file handling in software libraries. Security teams should remain vigilant about similar weaknesses in other components and emphasize secure coding practices to prevent such flaws from arising. Regular security assessments, including penetration testing, can help identify vulnerabilities before they are exploited. Additionally, reviewing the latest security trends and adapting security practices accordingly is crucial.
Organizations should also consider implementing continuous security testing to ensure ongoing protection against emerging threats. By integrating security into the development process, teams can better manage vulnerabilities and reduce their attack surface.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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