Tracker Software PDF-XChange Editor XPS File Parser null pointer dereference

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 described as problematic has been identified in Tracker Software PDF-XChange Editor. Affected by this vulnerability is an unknown functionality of the component XPS File Parser. Such manipulation leads to null pointer dereference. This vulnerability is traded as CVE-2022-42396. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Tracker Software PDF-XChange Editor (unknown version) and classified as critical. Affected by this issue is an unknown code block of the component XPS File Parser. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 XPS files. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18278.

The weakness was shared 10/18/2022 as ZDI-22-1332. The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2022-42396 since 10/03/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit 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: Null pointer dereference
CWE: CWE-476 / CWE-404
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

10/03/2022 🔍
10/18/2022 +15 days 🔍
10/18/2022 +0 days 🔍
04/29/2025 +924 days 🔍

Sourcesinfo

Advisory: ZDI-22-1332
Status: Confirmed

CVE: CVE-2022-42396 (🔍)
GCVE (CVE): GCVE-0-2022-42396
GCVE (VulDB): GCVE-100-211244

Entryinfo

Created: 10/18/2022 15:16
Updated: 04/29/2025 04:48
Changes: 10/18/2022 15:16 (38), 11/28/2024 01:46 (36), 04/29/2025 04:48 (4)
Complete: 🔍
Cache ID: 216::103

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