CVE-2018-12982 : Vulnerability Insights and Analysis

A crafted file can cause a denial-of-service impact by invoking an invalid memory read in the PoDoFo::PdfVariant::DelayedLoad() function, located in PdfVariant.h within PoDoFo version 0.9.6-rc1, enabling remote attackers to exploit this vulnerability.

Understanding CVE-2018-12982

This CVE involves a denial-of-service vulnerability in PoDoFo version 0.9.6-rc1 due to an invalid memory read.

What is CVE-2018-12982?

The vulnerability allows remote attackers to trigger a denial-of-service condition by manipulating a crafted file to exploit the PoDoFo library.

The Impact of CVE-2018-12982

The vulnerability can be exploited remotely, potentially leading to a denial-of-service attack on systems running the affected PoDoFo version.

Technical Details of CVE-2018-12982

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from an invalid memory read in the PoDoFo::PdfVariant::DelayedLoad() function in PdfVariant.h.

Affected Systems and Versions

Affected Version: PoDoFo 0.9.6-rc1

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a specific file to trigger the invalid memory read.

Mitigation and Prevention

Protecting systems from CVE-2018-12982 requires specific actions.

Immediate Steps to Take

Update PoDoFo to a non-vulnerable version.
Implement file input validation to prevent crafted files from triggering the vulnerability.

Long-Term Security Practices

Regularly update software and libraries to patch known vulnerabilities.

Patching and Updates

Stay informed about security advisories and apply patches promptly to mitigate risks.