Rewterz

Rewterz Threat Advisory – CVE-2021-20317 – Linux Kernel Vulnerability

September 28, 2021
Rewterz

Rewterz Threat Advisory – Multiple Cisco Products Vulnerabilities

September 29, 2021

Rewterz Threat Advisory – ICS: Multiple Siemens Solid Edge Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-41540; CVE-2021-41539; CVE-2021-41537; CVE-2021-41536; CVE-2021-41535 

Siemens Solid Edge could allow a remote attacker to execute arbitrary code on the system, caused by a use-after-free flaw in the handling of OBJ files. By persuading a victim to open a specially-crafted OBJ file, an attacker could exploit this vulnerability to execute arbitrary code in the context of the current process.

CVE-2021-41538; CVE-2021-41533; CVE-2021-41534 

Siemens Solid Edge could allow a remote attacker to obtain sensitive information, caused by an unexpected access to an uninitialized pointer flaw in the handling of OBJ files. By persuading a victim to open a specially-crafted OBJ file, an attacker could exploit this vulnerability to obtain sensitive information in the context of the current process, and use this information to launch further attacks against the affected system.

Impact

  • Code Execution
  • Information Disclosure

Affected Vendors

  • Siemens

Affected Products

  • Siemens Solid Edge SE2021

Remediation

Refer to Siemens Security Advisory for patch, upgrade or suggested workaround information.

https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.