VDB-126115 · CVE-2018-17623 · Qualys 371229

Foxit Reader 9.0.1.5096 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Foxit Reader 9.0.1.5096 and classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes use after free. This vulnerability is registered as CVE-2018-17623. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Foxit Reader 9.0.1.5096 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input 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:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.5096. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Link objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6434.

The bug was discovered 09/28/2018. The weakness was published 10/28/2018 (Website). It is possible to read the advisory at foxitsoftware.com. This vulnerability is known as CVE-2018-17623 since 09/28/2018. 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. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 31 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371229 (Foxit Reader and PhantomPDF Multiple Vulnerabilities).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-82783, VDB-82784, VDB-82785 and VDB-82786. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/28/2018 🔍
09/28/2018 +0 days 🔍
10/28/2018 +30 days 🔍
10/29/2018 +0 days 🔍
10/30/2018 +1 days 🔍
04/07/2020 +525 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: foxitsoftware.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-17623 (🔍)
GCVE (CVE): GCVE-0-2018-17623
GCVE (VulDB): GCVE-100-126115
See also: 🔍

Entryinfo

Created: 10/30/2018 07:30
Updated: 04/07/2020 16:12
Changes: 10/30/2018 07:30 (62), 04/07/2020 16:12 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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