CVE-2022-35091 Explained : Impact and Mitigation

SWFTools commit 772e55a2 was discovered to contain a floating point exception (FPE) via DCTStream::readMCURow() at /xpdf/Stream.cc.ow().

Understanding CVE-2022-35091

This CVE identifies a vulnerability in SWFTools that could lead to a floating point exception.

What is CVE-2022-35091?

CVE-2022-35091 refers to a specific issue in SWFTools where a floating point exception occurs in the DCTStream::readMCURow() function.

The Impact of CVE-2022-35091

The vulnerability could be exploited by an attacker to cause a denial of service or potentially execute arbitrary code on the affected system.

Technical Details of CVE-2022-35091

This section provides a detailed overview of the vulnerability.

Vulnerability Description

SWFTools commit 772e55a2 contains a flaw that triggers a floating point exception in the DCTStream::readMCURow() function.

Affected Systems and Versions

All versions of SWFTools containing the vulnerable commit 772e55a2 are impacted by this vulnerability.

Exploitation Mechanism

Attackers could exploit this vulnerability to crash the application or potentially take control of the affected system.

Mitigation and Prevention

To protect systems from CVE-2022-35091, follow these security measures.

Immediate Steps to Take

Update SWFTools to the latest version that contains a fix for this vulnerability.
Monitor for any unusual behavior on the system that could indicate exploitation.

Long-Term Security Practices

Regularly update software to patch known vulnerabilities.
Implement strong access controls and authentication mechanisms.

Patching and Updates

Stay informed about security updates for SWFTools and apply patches promptly to mitigate risks.