PT-2019-15970 · Nitro · Nitro Free Pdf Reader

Published 2019-12-16 · Updated 2020-01-15 · CVE-2019-19819

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Nitro Free PDF Reader version 12.0.0.112

Description The issue is related to a NULL Pointer Dereference in the JBIG2Globals library within npdf.dll. This occurs via crafted Unicode content, specifically through the CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2+0x90ec function.

Recommendations For Nitro Free PDF Reader version 12.0.0.112, consider disabling the CAPPDAnnotHandlerUtils::PDAnnotHandlerDestroyData2 function as a temporary workaround until a patch is available. Restrict the processing of crafted Unicode content to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2019-19819

Affected Products

Nitro Free Pdf Reader

References · 4

• 🔥❌ https://github.com/nafiez/nafiez.github.io/blob/master/_posts/2019-12-12-multiple-nitro-pdf-vulnerability.md · Exploit, Deleted
• 🔥 https://nafiez.github.io/security/vulnerability/remote/2019/12/12/multiple-nitro-pdf-vulnerability.html · Exploit
• https://osv.dev/vulnerability/CVE-2019-19819 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19819 · Security Note