SB2021061003 - Multiple vulnerabilities in Siemens Simcenter Femap

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Out-of-bounds write (CVE-ID: CVE-2021-27387)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the femap.exe application. A remote attacker can create a specially crafted FEMAP file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

2) Out-of-bounds write (CVE-ID: CVE-2021-27399)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in the femap.exe application. A remote attacker can create a specially crafted FEMAP file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-133038.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-159-12
• https://www.zerodayinitiative.com/advisories/ZDI-21-780/
• https://www.zerodayinitiative.com/advisories/ZDI-21-781/