Vulnerability identifier: #VU59307

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-44436

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JT Utilities
Other software / Other software solutions
JTTK
Other software / Other software solutions

Vendor:

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when parsing specially crafted JT files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

---

External links
http://ics-cert.us-cert.gov/advisories/icsa-21-350-17
http://cert-portal.siemens.com/productcert/pdf/ssa-802578.pdf

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.