PT-2021-20442 · Unknown+1 · Mono Loader.Dll+2

Mat Powell · Published 2021-07-13 · Updated 2021-07-27 · CVE-2021-34311

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: JT2Go versions prior to V13.2 Teamcenter Visualization versions prior to V13.2

Description: A vulnerability has been identified in the Mono loader.dll library, which lacks proper validation of user-supplied data when parsing J2K files. This could result in an out of bounds write past the end of an allocated structure, allowing an attacker to execute code in the context of the current process.

Recommendations: For JT2Go versions prior to V13.2, update to version V13.2 or later. For Teamcenter Visualization versions prior to V13.2, update to version V13.2 or later.

Fix

Memory Corruption

RCE

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

CVE-2021-34311

ZDI-21-840

Affected Products

Jt2Go

Mono Loader.Dll

Teamcenter Visualization

References · 4

• https://zerodayinitiative.com/advisories/ZDI-21-840 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34311 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34311 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-483182.pdf · Vendor Advisory