VideoLAN's dav1d prior to version 1.2.0 contains a race condition in the thread_task.c file. This vulnerability allows attackers to trigger an application crash, specifically related to the dav1d_decode_frame_exit function. With a CVSS score of 5.9, this vulnerability is classified as medium severity, indicating it poses a moderate risk to users.
Risk to organizations includes potential service disruptions due to application crashes. Given the nature of this vulnerability, it is crucial for organizations utilizing dav1d to assess their exposure and implement necessary patches. Organizations should prioritize patching immediately.
As of now, there are no known public exploits related to this vulnerability, nor is it included in the Known Exploited Vulnerabilities (KEV) database. However, the presence of such vulnerabilities should always be taken seriously, and proactive measures should be adopted.
Organizations are advised to stay updated with the latest versions of dav1d to mitigate risks associated with this vulnerability. Regular monitoring of security advisories and timely application of patches is essential for maintaining security posture.
Vulnerability Details
The vulnerability described in CVE-2023-32570 is a race condition that affects the VideoLAN dav1d library before version 1.2.0. The official CVE description highlights that the issue can result in application crashes.
This vulnerability is classified under CWE-362, which pertains to race conditions in software. With a CVSS score of 5.9, this vulnerability is categorized as medium severity, indicating that while it is not critical, it poses a significant risk that should not be ignored.
The vulnerability was published on May 10, 2023, and has since been modified, reflecting ongoing assessments of its impact and severity.
Technical Analysis
The root cause of this vulnerability lies in a race condition within the thread_task.c file. This type of flaw occurs when two or more threads attempt to modify shared data simultaneously, leading to unpredictable results. In this case, the race condition can cause the dav1d library to crash, disrupting services that rely on it.
The attack vector for this vulnerability is network-based, meaning that an attacker can exploit it remotely without needing physical access to the system. The complexity of the attack is rated as high, indicating that exploiting this vulnerability requires significant skill and knowledge.
No privileges are required for the attack, and user interaction is also not necessary. The impact on availability is high, as successful exploitation can lead to application crashes. However, there is no impact on confidentiality or integrity.
Risk & Impact Analysis
The risk posed by CVE-2023-32570 is particularly relevant for organizations using the affected versions of the dav1d library, especially in environments where uptime and stability are critical. The potential for application crashes can disrupt services and impact user experience.
Given the CVSS score of 5.9 and the absence of known exploits, organizations should assess their deployment of dav1d. While immediate exploitation may not be prevalent, the potential for future attacks necessitates vigilance. Organizations should address this vulnerability in their priority patch cycle.
The blast radius for this vulnerability could extend to any service relying on the dav1d library, potentially affecting multiple applications within an organization. Thus, the urgency for remediation should not be underestimated.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of the dav1d library include all versions prior to 1.2.0. Additionally, Fedora versions 37 and 38 are also vulnerable to this issue.
Mitigation & Remediation
Organizations using vulnerable versions of dav1d should upgrade to version 1.2.0 or later to mitigate this vulnerability. If immediate patching is not possible, consider disabling features that utilize dav1d until an upgrade can be performed.
For organizations that require ongoing security assessments, engaging in penetration testing can help identify and remediate similar vulnerabilities in the future.
Detection Guidance
Monitoring for indicators of exploitation is crucial. Organizations should look for unusual application crashes or error logs associated with the dav1d library. Additionally, keeping an eye on network traffic patterns may help identify potential exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2023-32570 highlights the need for organizations to maintain robust patch management practices. While this vulnerability is currently not actively exploited, it serves as a reminder of the potential risks associated with race conditions in software.
Security teams should learn from this incident and ensure thorough testing of their applications to identify similar vulnerabilities. Strategies for mitigating such risks should be an integral part of the development lifecycle.
For further insights on vulnerability management, organizations can refer to our vulnerability management program design guides.
Additionally, exploring penetration testing methodology can provide teams with valuable strategies for identifying and addressing vulnerabilities.
Finally, organizations should stay informed about the evolving threat landscape by regularly reviewing resources like our 2026 ransomware targeting trends report.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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