VDB-126116 · CVE-2018-17624 · Qualys 371229

Foxit Reader 9.1.0.5096 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 was found in Foxit Reader 9.1.0.5096 and classified as critical. Affected by this issue is some unknown functionality. Such manipulation leads to use after free. This vulnerability is documented as CVE-2018-17624. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Foxit Reader 9.1.0.5096 (Document Reader Software). It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input 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:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.1.0.5096. 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 OCG 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-6435.

The bug was discovered 09/28/2018. The weakness was released 10/28/2018 (Website). The advisory is shared for download at foxitsoftware.com. This vulnerability is handled as CVE-2018-17624 since 09/28/2018. 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 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.

Entries connected to this vulnerability are available at VDB-82783, VDB-82784, VDB-82785 and VDB-82786. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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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-2018-17624 (🔍)
GCVE (CVE): GCVE-0-2018-17624
GCVE (VulDB): GCVE-100-126116
See also: 🔍

Entryinfo

Created: 10/30/2018 07:31
Updated: 04/07/2020 16:16
Changes: 10/30/2018 07:31 (61), 04/07/2020 16:16 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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