PT-2021-4334 · Siemens · Solid Edge

Xina1I · Published 2021-05-19 · Updated 2021-10-01 · CVE-2021-41539

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 Solid Edge SE2021 versions prior to SE2021MP8

Description A use-after-free vulnerability has been identified in the affected application while parsing OBJ files. This issue could allow an attacker to execute code in the context of the current process. The vulnerability can be exploited by a remote attacker using a specially crafted malicious web page or file.

Recommendations For Solid Edge SE2021 versions prior to SE2021MP8, update to a version that includes the fix for this issue, specifically SE2021MP8 or later. As a temporary workaround, consider avoiding the use of OBJ files in the affected application until a patch is available. Restrict access to the OBJ file parsing functionality to minimize the risk of exploitation.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2021-04958

CVE-2021-41539

ZDI-21-1123

Affected Products

Solid Edge

References · 6

• https://cert-portal.siemens.com/productcert/pdf/ssa-728618.pdf · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1123 · Security Note
• https://bdu.fstec.ru/vul/2021-04958 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-41539 · Security Note
• https://osv.dev/vulnerability/CVE-2021-41539 · Vendor Advisory
• https://t.me/cibsecurity/29557 · Telegram Post