PT-2022-12589 · Siemens · Simcenter Femap V2020.2+1

Xina1I · Published 2022-02-09 · Updated 2022-02-28 · CVE-2021-46156

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Simcenter Femap V2020.2 (All versions) Simcenter Femap V2021.1 (All versions)

Description A vulnerability has been identified in the affected application, which contains an out of bounds write past the end of an allocated structure while parsing specially crafted NEU files. This could allow an attacker to execute code in the context of the current process.

Recommendations For Simcenter Femap V2020.2, consider avoiding the use of NEU files until a patch is available. For Simcenter Femap V2021.1, consider avoiding the use of NEU files until a patch is available. As a temporary workaround, consider restricting the parsing of NEU files to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-46156

ZDI-22-309

Affected Products

Simcenter Femap V2020.2

Simcenter Femap V2021.1

References · 6

• https://zerodayinitiative.com/advisories/ZDI-22-309 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-46156 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46156 · Vendor Advisory
• https://t.me/cvenotify/26513 · Telegram Post
• https://t.me/cibsecurity/37083 · Telegram Post