Tracker Software PDF-XChange Editor OXPS 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 identified as critical has been detected in Tracker Software PDF-XChange Editor. Affected by this issue is some unknown functionality of the component OXPS File Parser. The manipulation leads to heap-based overflow. This vulnerability is documented as CVE-2023-39494. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Tracker Software PDF-XChange Editor (affected version not known). It has been rated as critical. This issue affects some unknown functionality of the component OXPS 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. The summary by CVE is:

PDF-XChange Editor OXPS 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 OXPS 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-19655.

The weakness was released 08/18/2023 as ZDI-23-1131. It is possible to read the advisory at zerodayinitiative.com. The identification of this vulnerability is CVE-2023-39494 since 08/02/2023. 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.

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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

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

Sourcesinfo

Advisory: ZDI-23-1131
Status: Confirmed

CVE: CVE-2023-39494 (🔍)
GCVE (CVE): GCVE-0-2023-39494
GCVE (VulDB): GCVE-100-237491

Entryinfo

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

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