CVE-2021-44443
First published: Tue Dec 14 2021(Updated: )
A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected products contains an out of bounds write past the end of an allocated structure while parsing specially crafted JT files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15039)
Credit: productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens Jt Open Toolkit | <11.1.1.0 | |
| Siemens Jt Utilities | <13.1.1.0 |
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Frequently Asked Questions
What is CVE-2021-44443?
CVE-2021-44443 is a vulnerability identified in JT Utilities and JTTK that allows an attacker to execute arbitrary code.
What is the severity of CVE-2021-44443?
The severity of CVE-2021-44443 is high, with a CVSS score of 7.8.
Which software versions are affected by CVE-2021-44443?
JT Utilities versions prior to V13.1.1.0 and JTTK versions prior to V11.1.1.0 are affected by CVE-2021-44443.
How can an attacker exploit CVE-2021-44443?
An attacker can exploit CVE-2021-44443 by parsing specially crafted JT files to trigger an out of bounds write and execute arbitrary code.
Is there a fix for CVE-2021-44443?
Yes, updating to JT Utilities V13.1.1.0 and JTTK V11.1.1.0 or later versions will fix the vulnerability.