CVE-2019-12982 : Vulnerability Insights and Analysis
Learn about CVE-2019-12982, a vulnerability in Ming (libming) version 0.4.8 that could allow remote attackers to cause a denial of service by exploiting a specially crafted SWF file. Find out how to mitigate this issue.
Ming (also known as libming) version 0.4.8 is vulnerable to a heap buffer overflow and underflow in the decompileCAST function within the libutil.a library. This could allow remote attackers to trigger a denial of service by exploiting a specially crafted SWF file.
Understanding CVE-2019-12982
This CVE identifies a specific vulnerability in the Ming library that could be exploited by attackers to disrupt services.
What is CVE-2019-12982?
The vulnerability in Ming (libming) version 0.4.8 involves a heap buffer overflow and underflow in the decompileCAST function within the libutil.a library. Attackers can potentially exploit this flaw to cause a denial of service by sending a malicious SWF file.
The Impact of CVE-2019-12982
If successfully exploited, remote attackers could disrupt services by causing a denial of service through a crafted SWF file.
Technical Details of CVE-2019-12982
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability exists in the decompileCAST function within the util/decompile.c file in the libutil.a library, leading to a heap buffer overflow and underflow.
Affected Systems and Versions
- Product: Ming (libming)
- Version: 0.4.8
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a specially crafted SWF file to trigger the heap buffer overflow and underflow.
Mitigation and Prevention
Protecting systems from CVE-2019-12982 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement network-level protections to filter out potentially malicious SWF files.
Long-Term Security Practices
- Regularly update software and libraries to patch known vulnerabilities.
- Conduct security assessments and audits to identify and mitigate potential risks.
Patching and Updates
Ensure that the Ming library is updated to a secure version that addresses the heap buffer overflow and underflow vulnerability.