NULL pointer dereference in VxWorks - CVE-2019-12259
Published: July 31, 2019
Vulnerability identifier: #VU19586
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-12259
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Wind River Systems, Inc.
Affected software:
VxWorks
VxWorks
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error when processing IGMP packets. A remote attacker can send specially crafted traffic to the affected system and perform a denial of service (DoS) attack.
How to mitigate CVE-2019-12259
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.
VxWorks 6.9: update to version 6.9.4.12
VxWorks 7: update to versions 2.1.0.0 or 1.4.3.1.