Foxit PDF Reader 9.1.0.5096 Javascript Engine PDF Document use after free
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Foxit PDF Reader 9.1.0.5096 (Document Reader Software). Affected by this vulnerability is some unknown functionality of the component Javascript Engine. The manipulation as part of a PDF Document leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
An exploitable use-after-free vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger a previously freed object in memory to be reused, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.
The bug was discovered 10/01/2018. The weakness was disclosed 10/03/2018 (Website). The advisory is shared at talosintelligence.com. This vulnerability is known as CVE-2018-3965 since 01/01/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 118093 (Foxit Reader < 9.3 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371092 (Foxit Reader and PhantomPDF Use-After-Free Vulnerability).
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (118093). The entries 122024, 122529, 122530 and 124607 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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EPSS Percentile: 🔍
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Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 118093
Nessus Name: Foxit Reader < 9.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/01/2018 🔍09/28/2018 🔍
10/01/2018 🔍
10/03/2018 🔍
10/03/2018 🔍
10/04/2018 🔍
10/12/2018 🔍
03/29/2020 🔍
Sources
Vendor: foxitsoftware.comAdvisory: talosintelligence.com
Status: Not defined
CVE: CVE-2018-3965 (🔍)
See also: 🔍
Entry
Created: 10/04/2018 15:54Updated: 03/29/2020 16:25
Changes: 10/04/2018 15:54 (67), 03/29/2020 16:25 (3)
Complete: 🔍
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