#VU19583 Race condition in VxWorks - CVE-2019-12263

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Main Vulnerability Database Vulnerabilities #VU19583

#VU19583 Race condition in VxWorks - CVE-2019-12263

Published: July 31, 2019


Vulnerability identifier: #VU19583
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-12263
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
VxWorks
Software vendor:
Wind River Systems, Inc.

Description

The vulnerability allows a remote attacker to perform denial of service (DoS) attack.

The vulnerability exists due to a race condition when processing TCP packets. A remote unauthenticated attacker can send malicious sequence of TCP packets within a specific timing, trigger a race condition and perform denial of service attack.


Remediation

Install updates from vendor's website.

The vulnerability is fixed in:
VxWorks 6.9: update to version  6.9.4.12
VxWorks 7: update to versions 2.1.0.0 or 1.4.3.1.

External links