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2021-10-18
 
CVE-2021-21796

CWE-416
 
 
An exploitable use-after-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause an object containing the path to a document to be destroyed and then later reused, resulting in a use-after-free vulnerability, which can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.

 
 
CVE-2021-21797

CWE-415
 
 
An exploitable double-free vulnerability exists in the JavaScript implementation of Nitro Pro PDF. A specially crafted document can cause a reference to a timeout object to be stored in two different places. When closed, the document will result in the reference being released twice. This can lead to code execution under the context of the application. An attacker can convince a user to open a document to trigger this vulnerability.

 
2020-09-17
 
CVE-2020-6116

CWE-190
 
 
An arbitrary code execution vulnerability exists in the rendering functionality of Nitro Software, Inc.�??s Nitro Pro 13.13.2.242. When drawing the contents of a page using colors from an indexed colorspace, the application can miscalculate the size of a buffer when allocating space for its colors. When using this allocated buffer, the application can write outside its bounds and cause memory corruption which can lead to code execution. A specially crafted document must be loaded by a victim in order to trigger this vulnerability.

 
 
CVE-2020-6115

CWE-416
 
 
An exploitable vulnerability exists in the cross-reference table repairing functionality of Nitro Software, Inc.�??s Nitro Pro 13.13.2.242. While searching for an object identifier in a malformed document that is missing from the cross-reference table, the application will save a reference to the object�??s cross-reference table entry inside a stack variable. If the referenced object identifier is not found, the application may resize the cross-reference table which can change the scope of its entry. Later when the application tries to reference cross-reference entry via the stack variable, the application will access memory belonging to the recently freed table causing a use-after-free condition. A specially crafted document can be delivered by an attacker and loaded by a victim in order to trigger this vulnerability.

 
 
CVE-2020-6113

CWE-190
 
 
An exploitable vulnerability exists in the object stream parsing functionality of Nitro Software, Inc.�??s Nitro Pro 13.13.2.242 when updating its cross-reference table. When processing an object stream from a PDF document, the application will perform a calculation in order to allocate memory for the list of indirect objects. Due to an error when calculating this size, an integer overflow may occur which can result in an undersized buffer being allocated. Later when initializing this buffer, the application can write outside its bounds which can cause a memory corruption that can lead to code execution. A specially crafted document can be delivered to a victim in order to trigger this vulnerability.

 
 
CVE-2020-6112

CWE-787
 
 
An exploitable code execution vulnerability exists in the JPEG2000 Stripe Decoding functionality of Nitro Software, Inc.�??s Nitro Pro 13.13.2.242 when decoding sub-samples. While initializing tiles with sub-sample data, the application can miscalculate a pointer for the stripes in the tile which allow for the decoder to write out of-bounds and cause memory corruption. This can result in code execution. A specially crafted image can be embedded inside a PDF and loaded by a victim in order to trigger this vulnerability.

 
2020-09-16
 
CVE-2020-6146

CWE-787
 
 
An exploitable code execution vulnerability exists in the rendering functionality of Nitro Pro 13.13.2.242 and 13.16.2.300. When drawing the contents of a page and selecting the stroke color from an 'ICCBased' colorspace, the application will read a length from the file and use it as a loop sentinel when writing data into the member of an object. Due to the object member being a buffer of a static size allocated on the heap, this can result in a heap-based buffer overflow. A specially crafted document must be loaded by a victim in order to trigger this vulnerability.

 
2020-05-18
 
CVE-2020-6093

CWE-824
 
 
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.

 
 
CVE-2020-6092

CWE-190
 
 
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

CWE-416
 
 
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.

 

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