CVE-2018-18897 : Vulnerability Insights and Analysis
Learn about CVE-2018-18897 affecting Poppler 0.71.0. Discover the impact, technical details, affected systems, exploitation risks, and mitigation steps for this memory leak vulnerability.
Poppler 0.71.0 has a memory leak issue in the function GfxColorSpace::setDisplayProfile, as demonstrated by the pdftocairo tool.
Understanding CVE-2018-18897
A memory leak vulnerability in Poppler 0.71.0's GfxColorSpace::setDisplayProfile function.
What is CVE-2018-18897?
Poppler 0.71.0 is affected by a memory leak in the GfxColorSpace::setDisplayProfile function, leading to potential security risks.
The Impact of CVE-2018-18897
The memory leak issue in Poppler 0.71.0 can be exploited by attackers, potentially causing denial of service or arbitrary code execution.
Technical Details of CVE-2018-18897
Details of the vulnerability in Poppler 0.71.0.
Vulnerability Description
The problem lies in a memory leak within the GfxColorSpace::setDisplayProfile function in GfxState.cc, as demonstrated by the pdftocairo tool.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: 0.71.0
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious PDF file that triggers the memory leak, potentially leading to a denial of service or arbitrary code execution.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2018-18897 vulnerability.
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Avoid opening PDF files from untrusted or unknown sources.
- Monitor vendor security advisories for updates.
Long-Term Security Practices
- Keep software and systems up to date with the latest security patches.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and audits.
Patching and Updates
- Update Poppler to a patched version that addresses the memory leak vulnerability.