CVE-2022-35098 : Security Advisory and Response

SWFTools commit 772e55a2 was discovered to contain a heap-buffer overflow vulnerability via GfxICCBasedColorSpace::getDefaultColor(GfxColor*) at /xpdf/GfxState.cc.

Understanding CVE-2022-35098

This CVE identifies a heap-buffer overflow vulnerability present in SWFTools commit 772e55a2.

What is CVE-2022-35098?

The vulnerability in SWFTools commit 772e55a2 allows attackers to trigger a heap-buffer overflow by exploiting a specific function, GfxICCBasedColorSpace::getDefaultColor(GfxColor*), located at /xpdf/GfxState.cc.

The Impact of CVE-2022-35098

This vulnerability could be exploited by malicious actors to execute arbitrary code, potentially leading to a denial of service or the execution of unauthorized commands.

Technical Details of CVE-2022-35098

In this section, we will delve into the specific technical details surrounding CVE-2022-35098.

Vulnerability Description

The vulnerability arises from an unchecked buffer operation in the GfxICCBasedColorSpace::getDefaultColor(GfxColor*) function within the codebase of SWFTools commit 772e55a2.

Affected Systems and Versions

The heap-buffer overflow vulnerability affects SWFTools commit 772e55a2. Due to the nature of the vulnerability, any system or software utilizing this specific commit may be vulnerable.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious input that triggers the heap-buffer overflow in the vulnerable function, potentially leading to unauthorized code execution.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-35098, immediate actions and long-term security practices should be implemented.

Immediate Steps to Take

Organizations should consider updating SWFTools to a patched version that addresses the heap-buffer overflow vulnerability present in commit 772e55a2.
Implement network security measures to detect and block malicious inputs attempting to exploit the vulnerability.

Long-Term Security Practices

Regularly monitor for security updates and patches related to SWFTools and its dependencies to prevent similar vulnerabilities in the future.
Conduct security assessments and code reviews to identify and mitigate potential security flaws within the codebase.

Patching and Updates

Stay informed about security advisories and updates released by the SWFTools project to address CVE-2022-35098 and other potential vulnerabilities.