PT-2019-6356 · 3S Smart Software Solutions · Codesys Plcwinnt+2

Published 2019-12-18 · Updated 2020-01-03 · CVE-2019-19789

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions CODESYS SP Realtime NT versions prior to V2.3.7.28 CODESYS Runtime Toolkit 32 bit full versions prior to V2.4.7.54 CODESYS PLCWinNT versions prior to V2.4.7.54

Description The issue is related to a NULL pointer dereference in the CODESYS SP Realtime NT, CODESYS Runtime Toolkit, and CODESYS PLCWinNT environments. This could allow a remote attacker to cause a denial of service.

Recommendations For CODESYS SP Realtime NT versions prior to V2.3.7.28, update to version V2.3.7.28 or later. For CODESYS Runtime Toolkit 32 bit full versions prior to V2.4.7.54, update to version V2.4.7.54 or later. For CODESYS PLCWinNT versions prior to V2.4.7.54, update to version V2.4.7.54 or later.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2023-03593

CVE-2019-19789

Affected Products

Codesys Plcwinnt

Codesys Runtime Toolkit

Codesys Sp Realtime Nt

References · 7

• https://codesys.com · Vendor Advisory
• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download= · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-19789 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19789 · Security Note
• https://bdu.fstec.ru/vul/2023-03593 · Security Note
• https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=12946&token=edd5d8e821edaf3189d36bb1cac1aa1bfc42351f&download= · Note
• https://vuldb.com/?id.147565 · Note