Full Report
Siemens JT2Go is affected by a stack-based buffer overflow vulnerability that could be triggered when the application reads files in PDF format. If a user is tricked to open a malicious file with any of the affected products, this could lead the application to crash or potentially lead to arbitrary code execution. Siemens has released a new version for JT2Go and recommends to update to the latest version.
Analysis Summary
# Vulnerability: Stack-Based Buffer Overflow in Siemens JT2Go via PDF Processing
## CVE Details
- CVE ID: CVE-2024-41902
- CVSS Score: 7.8 (CVSS v3.1) / 7.3 (CVSS v4.0) (High Severity based on CVSS v3.1 score)
- CWE: CWE-121: Stack-based Buffer Overflow
## Affected Systems
- Products: Siemens JT2Go
- Versions: All versions prior to V2406.0003
- Configurations: Triggered when processing specially crafted PDF files.
## Vulnerability Description
This is a stack-based buffer overflow vulnerability occurring within the application during the parsing of specially crafted PDF files. Successful exploitation allows an attacker to execute arbitrary code in the context of the current process.
CVSS v3.1 Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* **Attack Vector (AV):** Local (L)
* **User Interaction (UI):** Required (R)
## Exploitation
- Status: Not explicitly stated if exploited in the wild, but PoC is implied given the nature of buffer overflows and the availability of technical details.
- Complexity: Low (based on AV:L/AC:L in CVSS v3.1 vector, though CVSS v4.0 suggests Higher Attack Complexity (AC:H)).
- Attack Vector: Local (L), requires user interaction (opening a malicious PDF file).
## Impact
- Confidentiality: High (H)
- Integrity: High (H)
- Availability: High (H)
## Remediation
### Patches
- Update Siemens JT2Go to **V2406.0003 or later**.
- Download location provided by Siemens: hxxps://plm.sw.siemens.com/en-US/plm-components/jt/jt2go/
### Workarounds
1. **Do not open untrusted PDF files** in affected applications.
2. **Remove the `PDFJTExtractor.exe`** from the installation directory of the affected application.
## Detection
- **Indicators of Compromise (IoCs):** Not explicitly provided in the summary, but typical IoCs would involve crashes related to PDF processing or unexpected process execution stemming from the JT2Go process.
- **Detection Methods and Tools:** Monitoring file access and execution attempts related to PDF parsing within the JT2Go application context.
## References
- Vendor Advisory: SSA-626178
- Siemens Security Advisory Link (General reference): hxxps://cert-portal.siemens.com/productcert/html/ssa-626178.html