Tracker Software PDF-XChange Editor PDF File Parser heap-based overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Tracker Software PDF-XChange Editor. It has been rated as critical. Affected is an unknown function of the component PDF File Parser. Performing a manipulation results in heap-based overflow. This vulnerability is cataloged as CVE-2023-39492. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Details
A vulnerability was found in Tracker Software PDF-XChange Editor (version unknown). It has been classified as critical. This affects an unknown function of the component PDF File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as 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(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
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-19640.
The weakness was shared 08/18/2023 as ZDI-23-1133. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-39492 since 08/02/2023. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.
Upgrading eliminates this vulnerability.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB 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: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Heap-based overflowCWE: 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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
08/02/2023 🔍08/18/2023 🔍
08/18/2023 🔍
05/19/2025 🔍
Sources
Advisory: ZDI-23-1133Status: Confirmed
CVE: CVE-2023-39492 (🔍)
GCVE (CVE): GCVE-0-2023-39492
GCVE (VulDB): GCVE-100-237489
Entry
Created: 08/18/2023 09:03 AMUpdated: 05/19/2025 06:55 PM
Changes: 08/18/2023 09:03 AM (38), 05/19/2025 06:55 PM (38)
Complete: 🔍
Cache ID: 244:E6F:40
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