Foxit PDF Reader 11.2.1.53537 Annotation Object use after free

EntryHistoryDiffjsonxmlCTI

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.
7.2	$0-$5k	0.00

A vulnerability was found in Foxit PDF Reader 11.2.1.53537 (Document Reader Software). It has been rated as critical. This issue affects some unknown processing of the component Annotation Object Handler. The manipulation with an unknown input leads to a memory corruption 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. The impact remains unknown. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.2.1.53537. 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 Annotation 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-16642.

The weakness was shared 07/19/2022. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2022-28675 since 04/05/2022. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

Productinfo

Type

Document Reader Software

Vendor

Foxit

Name

PDF Reader

CPE 2.3info

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CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.8
NVD Vector: 🔒

CNA Base Score: 7.8
CNA Vector (Zero Day Initiative): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-416
ATT&CK: Unknown

Local: No
Remote: Yes

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: zerodayinitiative.com

Timelineinfo

04/05/2022 CVE reserved
07/19/2022 +105 days Advisory disclosed
07/19/2022 +0 days VulDB entry created
08/06/2022 +18 days VulDB last update

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2022-28675 (🔒)

Entryinfo

Created: 07/19/2022 08:25 AM
Updated: 08/06/2022 09:08 AM
Changes: (11) vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss3_nvd_basescore vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a
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