Vulnerability Spotlight: Memory corruption in Google PDFium
Vulnerabilities mentionedAll →
| CVE | Vulnerability | CVSS | EPSS | Flags | Affected | Exposure | Published |
|---|---|---|---|---|---|---|---|
| CVE-2020-6513 | Heap buffer overflow in PDFium in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. Heap buffer overflow in PDFium in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. NVD description · AI analysis pending | 8.8 | 3% |
| — |
Full article241 words · extracted from blog.talosintelligence.com · click to collapse
Monday, September 14, 2020 13:37
Aleksandar Nikolic of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw.
Google Chrome's PDFium feature could be exploited by an adversary to corrupt memory and potentially execute remote code. Chrome is a popular, free web browser available on all operating
systems. PDFium allows users to open PDFs inside Chrome. We recently discovered a bug that would allow an adversary to send a malicious web page to a user, and then cause out-of-bounds memory access.
In accordance with our coordinated disclosure policy, Cisco Talos worked with Google to ensure that these issues are resolved and that an update is available for affected customers.
Vulnerability details
Google Chrome PDFium Javascript Active Document Memory Corruption Vulnerability (TALOS-2020-1092/CVE-2020-6513)
A memory corruption vulnerability exists in the way Google Chrome 83.0.4103.61 executes JavaScript inside PDF documents. A specially crafted web page can cause out of bounds memory access. To trigger this vulnerability, the victim must visit a malicious webpage or open a malicious PDF document.
Read the complete vulnerability advisory here for additional information.
Versions tested
Talos tested and confirmed that Google Chrome, version 83.0.4103.61 is affected by this vulnerability.
Coverage
The following SNORTⓇ rules will detect exploitation attempts. Note that additional rules may be released at a future date and current rules are subject to change pending additional vulnerability information. For the most current rule information, please refer to your Firepower Management Center or Snort.org.
Snort Rules: 54282 - 54283
Text extracted automatically; images, tables and formatting may be missing. Original: https://blog.talosintelligence.com/vuln-spotlight-google-pdfium-sept-2020/