Foxit Reader/PhantomPDF up to 9.5 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 identified as problematic has been detected in Foxit Reader and PhantomPDF up to 9.5. This impacts the function FXSYS_wcslen. Performing a manipulation as part of EPUB File results in null pointer dereference. This vulnerability is known as CVE-2019-20829. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit Reader and PhantomPDF up to 9.5 (Document Reader Software). It has been classified as problematic. This affects the function FXSYS_wcslen. The manipulation as part of a EPUB File leads to a null pointer dereference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

An issue was discovered in Foxit Reader and PhantomPDF before 9.6. 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 at foxitsoftware.com. This vulnerability is uniquely identified as CVE-2019-20829 since 06/04/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available.

Upgrading to version 9.6 eliminates this vulnerability.

Similar entries are available at VDB-93200, VDB-93201, VDB-93202 and VDB-93203. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

Version

License

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: Reader/PhantomPDF 9.6

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-2019-20829 (🔍)
GCVE (CVE): GCVE-0-2019-20829
GCVE (VulDB): GCVE-100-156165
See also: 🔍

Entryinfo

Created: 06/05/2020 16:17
Updated: 10/22/2020 12:10
Changes: 06/05/2020 16:17 (41), 06/05/2020 16:22 (18), 10/22/2020 12:10 (1)
Complete: 🔍
Cache ID: 216::103

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

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