Vulnerability Spotlight: Multiple vulnerabilities in Nitro Pro PDF reader

Aleksandar Nikolic and Cory Duplantis of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two code execution vulnerabilities and an information disclosure flaw in Nitro Pro PDF reader. Nitro PDF allows users to save, read, sign and edit PDFs on...

PT-2020-18919

Name of the Vulnerable Software and Affected Versions Nitro Pro version 13.9.1.155 Description An information disclosure issue exists due to improper XML error handling. A specially crafted PDF document can cause uninitialized memory access, resulting in information disclosure. This issue can be...

CVE-2020-6092: Integer Overflow or Wraparound

An exploitable code execution vulnerability exists in the way Nitro Pro 13.9.1.155 parses Pattern objects. A specially crafted PDF file can trigger an integer overflow that can lead to arbitrary code execution. In order to trigger this vulnerability, victim must open a malicious file...

CVE-2020-6074: Use After Free

An exploitable code execution vulnerability exists in the PDF parser of Nitro Pro 13.9.1.155. A specially crafted PDF document can cause a use-after-free which can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability...

Nitro Pro PDF Pattern Object Code Execution Vulnerability

Summary An exploitable code execution vulnerability exists in the way Nitro Pro 13.9.1.155 parses Pattern objects. A specially crafted PDF file can trigger an integer overflow that can lead to arbitrary code execution. In order to trigger this vulnerability, victim must open a malicious file...

CVE-2020-6093: Access of Uninitialized Pointer

An exploitable information disclosure vulnerability exists in the way Nitro Pro 13.9.1.155 does XML error handling. A specially crafted PDF document can cause uninitialized memory access resulting in information disclosure. In order to trigger this vulnerability, victim must open a malicious file...

Nitro Pro PDF Javascript XML error handling Information Disclosure Vulnerability

Summary An exploitable information disclosure vulnerability exists in the way Nitro Pro 13.9.1.155 does XML error handling. A specially crafted PDF document can cause uninitialized memory access resulting in information disclosure. In order to trigger this vulnerability, victim must open a...

Nitro PRO PDF nested pages remote code execution vulnerability

Summary An exploitable code execution vulnerability exists in the PDF parser of Nitro Pro 13.9.1.155. A specially crafted PDF document can cause a use-after-free which can lead to remote code execution. An attacker can provide a malicious file to trigger this vulnerability. Tested Versions Nitro...

Discord users tempted by bots offering “free Nitro games”

The last few weeks have seen multiple instances of problematic bots appearing in Discord channels. They bring tidings of gifts, but the reality is quite a bit different. Given so many more young kids and teens are at home during the current global lockdown, they may well see this scam bouncing...

Nitro Pro Heap Memory Corruption Vulnerability

Nitro Pro is a desktop product with full PDF creation and editing capabilities. A JBIG2Decode CNxJBIG2DecodeStream heap memory corruption vulnerability exists in npdf.dll in versions prior to Nitro Pro 13.13.2.242. An attacker can exploit this vulnerability via a specially crafted PDF document to...

Nitro Pro Heap Memory Corruption Vulnerability (CNVD-2020-16096)

Nitro Pro is a desktop product with full PDF creation and editing capabilities. A heap memory corruption vulnerability exists in npdf.dll in versions prior to Nitro Pro 13.13.2.242. An attacker can exploit this vulnerability via a specially crafted PDF document to cause heap corruption to occur a...

CVE-2020-10223

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to JBIG2Decode CNxJBIG2DecodeStream Heap Corruption at npdf!CAPPDAnnotHandlerUtils::createpopupformarkup+0x12fbe via a crafted PDF document...

CVE-2020-10223

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to JBIG2Decode CNxJBIG2DecodeStream Heap Corruption at npdf!CAPPDAnnotHandlerUtils::createpopupformarkup+0x12fbe via a crafted PDF document...

CVE-2020-10222

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to Heap Corruption at npdf!nitro::getproperty+2381 via a crafted PDF document...

Design/Logic Flaw

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to JBIG2Decode CNxJBIG2DecodeStream Heap Corruption at npdf!CAPPDAnnotHandlerUtils::createpopupformarkup+0x12fbe via a crafted PDF document...

Design/Logic Flaw

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to Heap Corruption at npdf!nitro::getproperty+2381 via a crafted PDF document...

CVE-2020-10222

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to Heap Corruption at npdf!nitro::getproperty+2381 via a crafted PDF document...

CVE-2020-10222

Nitro Pro’s npdf.dll (versions before 13.13.2.242) is affected by a heap memory corruption vulnerability triggered by a crafted PDF, at npdf!nitro::get_property+2381. Public sources describe the issue as a heap corruption flaw in Nitro Pro’s PDF handling; CVE-2020-10222 carries a high impact with...

CVE-2020-10223

Summary: CVE-2020-10223 affects Nitro Pro’s npdf.dll. The vulnerability is a JBIG2Decode CNxJBIG2DecodeStream heap corruption triggered by a crafted PDF document, impacting versions prior to Nitro Pro 13.13.2.242. The precise vulnerable component is NPDF code path npdf!CAPPDAnnotHandlerUtils::cre...

CVE-2020-10223

npdf.dll in Nitro Pro before 13.13.2.242 is vulnerable to JBIG2Decode CNxJBIG2DecodeStream Heap Corruption at npdf!CAPPDAnnotHandlerUtils::createpopupformarkup+0x12fbe via a crafted PDF document...