Foxit PhantomPDF up to 8.3.10 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 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 93200, 93201, 93202 and 93203.
Product
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
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: PhantomPDF 8.3.11
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-2019-20824 (🔍)
See also: 🔍
Entry
Created: 06/05/2020 16:12Updated: 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: 🔍
No comments yet. Languages: en.
Please log in to comment.