Artifex MuPDF 1.16.0 PDF File source/fitz/svg-device.c svg_dev_text_span_as_paths_defs denial of service

Summaryinfo

A vulnerability classified as problematic has been found in Artifex MuPDF 1.16.0. Affected by this vulnerability is the function svg_dev_text_span_as_paths_defs of the file source/fitz/svg-device.c of the component PDF File Handler. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2020-21896. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Artifex MuPDF 1.16.0 (Document Reader Software) and classified as problematic. This issue affects the function svg_dev_text_span_as_paths_defs of the file source/fitz/svg-device.c of the component PDF File Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

A Use After Free vulnerability in svg_dev_text_span_as_paths_defs function in source/fitz/svg-device.c in Artifex Software MuPDF 1.16.0 allows remote attackers to cause a denial of service via opening of a crafted PDF file.

The weakness was disclosed 08/23/2023. The advisory is shared at bugs.ghostscript.com. The identification of this vulnerability is CVE-2020-21896 since 08/13/2020. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 253666 (Debian dla-4278 : libmupdf-dev - security update), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (253666). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• Document Reader Software

Vendor

• Artifex

Name

• MuPDF

Version

• 1.16.0

License

• commercial

Website

• Vendor: https://artifex.com/

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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