CVE-2022-35104 : Exploit Details and Defense Strategies

SWFTools commit 772e55a2 was discovered to contain a heap-buffer overflow via DCTStream::reset() at /xpdf/Stream.cc.

Understanding CVE-2022-35104

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2022-35104.

What is CVE-2022-35104?

CVE-2022-35104 is a vulnerability found in SWFTools commit 772e55a2 that allows attackers to trigger a heap-buffer overflow through DCTStream::reset() at /xpdf/Stream.cc.

The Impact of CVE-2022-35104

The heap-buffer overflow in SWFTools can lead to potential exploitation by threat actors, compromising the affected systems.

Technical Details of CVE-2022-35104

Let's delve into the specifics of the vulnerability to understand its nature and scope.

Vulnerability Description

The vulnerability originates from a heap-buffer overflow in SWFTools commit 772e55a2 triggered by DCTStream::reset() function in /xpdf/Stream.cc.

Affected Systems and Versions

All systems with the vulnerable SWFTools commit 772e55a2 are at risk of exploitation due to this heap-buffer overflow.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating certain parameters to trigger the overflow, potentially leading to a denial of service or execution of arbitrary code.

Mitigation and Prevention

Here are the necessary steps to mitigate the risks associated with CVE-2022-35104.

Immediate Steps to Take

Immediately update SWFTools to a patched version that addresses the heap-buffer overflow vulnerability to prevent exploitation.

Long-Term Security Practices

Implementing secure coding practices and regular security audits can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay vigilant for security updates from SWFTools and apply patches promptly to ensure the mitigation of known vulnerabilities.