Foxit PhantomPDF up to 8.3.10 FXSYS_wcslen EPUB File null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Foxit PhantomPDF up to 8.3.10 and classified as problematic. This issue affects the function FXSYS_wcslen. Executing a manipulation as part of EPUB File can lead to null pointer dereference. This vulnerability is registered as CVE-2019-20824. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Foxit PhantomPDF up to 8.3.10. This vulnerability affects the function FXSYS_wcslen. The manipulation as part of a EPUB File leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

An issue was discovered in Foxit PhantomPDF before 8.3.11. It has a NULL pointer dereference via FXSYS_wcslen in an Epub file.

The weakness was published 06/04/2020 (Website). The advisory is shared for download at foxitsoftware.com. This vulnerability was named CVE-2019-20824 since 06/04/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 8.3.11 eliminates this vulnerability.

Similar entries are available at VDB-93200, VDB-93201, VDB-93202 and VDB-93203. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PhantomPDF 8.3.11

Timelineinfo

06/04/2020 🔍
06/04/2020 +0 days 🔍
06/05/2020 +1 days 🔍
10/22/2020 +139 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: foxitsoftware.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-20824 (🔍)
GCVE (CVE): GCVE-0-2019-20824
GCVE (VulDB): GCVE-100-156160
See also: 🔍

Entryinfo

Created: 06/05/2020 16:12
Updated: 10/22/2020 11:50
Changes: 06/05/2020 16:12 (41), 06/05/2020 16:17 (17), 10/22/2020 11:50 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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