Foxit Reader/PhantomPDF up to 9.5 FXSYS_wcslen EPUB File null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.6 | $0-$5k | 0.00 |
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 93200, 93201, 93202 and 93203.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB 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: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Reader/PhantomPDF 9.6
Timeline
06/04/2020 🔍06/04/2020 🔍
06/05/2020 🔍
10/22/2020 🔍
Sources
Vendor: foxitsoftware.comAdvisory: foxitsoftware.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2019-20829 (🔍)
See also: 🔍
Entry
Created: 06/05/2020 16:17Updated: 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: 🔍
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