Tracker Software PDF-XChange Editor PDF File Parser heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Tracker Software PDF-XChange Editor. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component PDF File Parser. Such manipulation leads to heap-based overflow. This vulnerability is traded as CVE-2023-42076. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tracker Software PDF-XChange Editor (version now known). Affected by this issue is some unknown processing of the component PDF File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. CVE summarizes:

PDF-XChange Editor PDF File Parsing Heap-based Buffer Overflow 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 PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21762.

The weakness was shared 09/08/2023 as ZDI-23-1377. The advisory is available at zerodayinitiative.com. This vulnerability is handled as CVE-2023-42076 since 09/06/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

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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: Heap-based overflow
CWE: CWE-122 / 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

09/06/2023 🔍
09/08/2023 +2 days 🔍
09/08/2023 +0 days 🔍
05/17/2025 +617 days 🔍

Sourcesinfo

Advisory: ZDI-23-1377
Status: Confirmed

CVE: CVE-2023-42076 (🔍)
GCVE (CVE): GCVE-0-2023-42076
GCVE (VulDB): GCVE-100-239294

Entryinfo

Created: 09/08/2023 23:22
Updated: 05/17/2025 05:10
Changes: 09/08/2023 23:22 (38), 05/17/2025 05:10 (38)
Complete: 🔍
Cache ID: 216::103

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