Fortinet Discovers Siemens PADS Standard/Plus Viewer Memory Corruption Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered a Memory Corruption vulnerability in Siemens PADS Standard/Plus Viewer.

Siemens PADS Viewer is a powerful & intuitive PCB viewer software used by Engineers. It provides schematic and layout capabilities in an easy-to-use environment. PADS Standard is ideal where economy is a high priority. PADS Standard Plus introduces simulation and analysis with advanced layout capabilities.

A memory corruption vulnerability has been discovered in Siemens PADS Viewer by FortiGuard Labs. The vulnerability is caused by a crafted PCB file which causes an out-of-bounds memory access. It could allow malicious users to create code execution scenarios.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Siemens.PADS.Layout.Viewer.CVE-2022-34281.Memory.Corruption
Released Jul 12, 2022

Users should apply the workaround provided by Siemens and not open untrusted PCB files.

Timeline

Fortinet reported the vulnerability to Siemens on May 21, 2022.

Siemens confirmed the vulnerability on June 15, 2022.

Siemens published the vulnerability on July 12, 2022.

Acknowledgement

This vulnerability was discovered by Kushal Arvind Shah of Fortinet's FortiGuard Labs.

References

• https://cert-portal.siemens.com/productcert/html/ssa-439148.html
• CVE-2022-34281

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.