Foxit PDF Reader 9.1.0.5096 Javascript Engine PDF Document use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Foxit PDF Reader 9.1.0.5096. This affects an unknown part of the component Javascript Engine. Such manipulation as part of PDF Document leads to use after free. This vulnerability is uniquely identified as CVE-2018-3945. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Foxit PDF Reader 9.1.0.5096 (Document Reader Software). It has been rated as critical. Affected by this issue is an unknown part of the component Javascript Engine. The manipulation as part of a PDF Document leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 10/01/2018. The weakness was disclosed 10/08/2018 (Website). The advisory is shared for download at securitytracker.com. This vulnerability is handled as CVE-2018-3945 since 01/01/2018. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit 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 371229 (Foxit Reader and PhantomPDF Multiple Vulnerabilities).

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 VDB-124607, VDB-124710, VDB-124711 and VDB-124712 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.0
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2018 🔍
09/28/2018 +269 days 🔍
10/01/2018 +3 days 🔍
10/08/2018 +6 days 🔍
10/08/2018 +0 days 🔍
10/09/2018 +1 days 🔍
10/12/2018 +3 days 🔍
07/30/2024 +2118 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: securitytracker.com⛔
Status: Not defined

CVE: CVE-2018-3945 (🔍)
GCVE (CVE): GCVE-0-2018-3945
GCVE (VulDB): GCVE-100-125072
SecurityTracker: 1041769

See also: 🔍

Entryinfo

Created: 10/09/2018 08:39
Updated: 07/30/2024 14:59
Changes: 10/09/2018 08:39 (68), 03/31/2020 18:28 (3), 05/23/2023 10:55 (4), 05/23/2023 11:01 (12), 07/30/2024 14:59 (16)
Complete: 🔍
Cache ID: 216::103

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