VDB-156143 · CVE-2018-21241 · GCVE-0-2018-21241

Foxit PhantomPDF up to 8.3.5 DLL Search Path untrusted search path

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Foxit PhantomPDF up to 8.3.5. This impacts an unknown function of the component DLL Handler. The manipulation as part of Search Path leads to untrusted search path. This vulnerability is listed as CVE-2018-21241. The attack must be carried out locally. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Foxit PhantomPDF up to 8.3.5. This issue affects an unknown functionality of the component DLL Handler. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. Using CWE to declare the problem leads to CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Foxit PhantomPDF before 8.3.6. It has an untrusted search path that allows a DLL to execute remote code.

The weakness was presented 06/04/2020 (Website). It is possible to read the advisory at foxitsoftware.com. The identification of this vulnerability is CVE-2018-21241 since 06/04/2020. Attacking locally is a requirement. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1574 according to MITRE ATT&CK.

Upgrading to version 8.3.6 eliminates this vulnerability.

See VDB-93200, VDB-93201, VDB-93202 and VDB-93203 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Foxit

Name

PhantomPDF

Version

License

free

Website

Vendor: https://www.foxitsoftware.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PhantomPDF 8.3.6

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-2018-21241 (🔍)
GCVE (CVE): GCVE-0-2018-21241
GCVE (VulDB): GCVE-100-156143
See also: 🔍

Entryinfo

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