2021-34327 | Siemens JT2Go//Solid Edge/Teamcenter Visualization ASM File plmxmlAdapterSE70.dll out-of-bounds write (ssa-173615)
|CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
|Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
|CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
A vulnerability classified as critical was found in Siemens JT2Go, Solid Edge and Teamcenter Visualization up to 13.1. Affected by this vulnerability is an unknown code block in the library plmxmlAdapterSE70.dll of the component ASM File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-787. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
A vulnerability has been identified in JT2Go (All versions < V13.2), Solid Edge SE2021 (All Versions < SE2021MP5), Teamcenter Visualization (All versions < V13.2). The plmxmlAdapterSE70.dll library in affected applications lacks proper validation of user-supplied data when parsing ASM files. This could result in an out of bounds write past the fixed-length heap-based buffer. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13423)
The weakness was published 07/13/2021 as ssa-173615. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2021-34327 since 06/08/2021. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn’t need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/16/2021).
Upgrading to version 13.2 eliminates this vulnerability.
VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0
Status: Not defined
0-Day Time: 🔒
Created: 07/13/2021 17:25
Updated: 07/16/2021 11:16
Changes: (5) source_cve_assigned source_cve_nvd_summary vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Download it now for free!