Vulnerability identifier: #VU19579
Vulnerability risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-122
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 execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within DHCP client implementation when processing DHCP packets. A remote attacker with access local network can send specially crafted DHCP packets to the affected system during system booting, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Vulnerable software versions
VxWorks: 6.6 - 6.9
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-2019-12257
http://support2.windriver.com/index.php?page=security-notices&on=view&id=6652
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.