CVE-2019-12980 : What You Need to Know

Ming (libming) version 0.4.8 is vulnerable to an integer overflow in the SWFInput_readSBits function, allowing remote attackers to trigger a denial-of-service attack.

Understanding CVE-2019-12980

This CVE involves an integer overflow vulnerability in the Ming library, potentially leading to a denial-of-service attack.

What is CVE-2019-12980?

The SWFInput_readSBits function in Ming (libming) version 0.4.8 experiences an integer overflow due to an out-of-range left shift, which can be exploited by remote attackers using a manipulated SWF file to initiate a denial-of-service attack.

The Impact of CVE-2019-12980

Remote attackers can exploit this vulnerability to cause a denial-of-service condition on systems running the affected version of Ming.

Technical Details of CVE-2019-12980

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability in Ming (libming) version 0.4.8 is caused by an integer overflow in the SWFInput_readSBits function due to an out-of-range left shift operation.

Affected Systems and Versions

Product: Ming (libming)
Version: 0.4.8

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious SWF file to trigger the integer overflow, leading to a denial-of-service attack.

Mitigation and Prevention

Protecting systems from CVE-2019-12980 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Ming (libming) to a non-vulnerable version.
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 code reviews to identify and mitigate similar issues.

Patching and Updates

Apply patches provided by the vendor to address the integer overflow vulnerability in Ming (libming) version 0.4.8.