Tracker Software PDF-XChange Editor TIF File Parser 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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7.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Tracker Software PDF-XChange Editor. Affected by this vulnerability is an unknown functionality of the component TIF File Parser. Executing a manipulation can lead to use after free. This vulnerability is registered as CVE-2023-39491. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tracker Software PDF-XChange Editor (affected version unknown). It has been declared as critical. This vulnerability affects an unknown functionality of the component TIF File Parser. 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. CVE summarizes:

PDF-XChange Editor TIF File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 parsing of TIF files. 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-19638.

The weakness was published 08/18/2023 as ZDI-23-1132. The advisory is available at zerodayinitiative.com. This vulnerability was named CVE-2023-39491 since 08/02/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

CVSSv2info

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

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/02/2023 🔍
08/18/2023 +16 days 🔍
08/18/2023 +0 days 🔍
05/19/2025 +640 days 🔍

Sourcesinfo

Advisory: ZDI-23-1132
Status: Confirmed

CVE: CVE-2023-39491 (🔍)
GCVE (CVE): GCVE-0-2023-39491
GCVE (VulDB): GCVE-100-237490

Entryinfo

Created: 08/18/2023 09:04
Updated: 05/19/2025 18:55
Changes: 08/18/2023 09:04 (37), 05/19/2025 18:55 (38)
Complete: 🔍
Cache ID: 216::103

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