Vulnerability identifier: #VU19586
Vulnerability risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
VxWorks
Operating systems & Components /
Operating system
Vendor: Wind River Systems, Inc.
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.
Mitigation
Vulnerable software versions
VxWorks: 6.6 - 7
External links
http://ics-cert.us-cert.gov/advisories/icsa-19-211-01
http://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12259
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.