#VU19588 Memory leak in VxWorks - CVE-2019-12265

Vulnerability identifier: #VU19588

Vulnerability risk: Low

CVSSv4.0: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2019-12265

CWE-ID: CWE-401

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 gain access to sensitive information.

The vulnerability exists due memory leak when processing IGMPv3 packets. A remote attacker can create a fragmented IGMPv3 query report and read memory contents in the response message.

Mitigation

Vulnerable software versions

VxWorks: 6.6 - 7

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External links
https://ics-cert.us-cert.gov/advisories/icsa-19-211-01
https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12265

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Q & A

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?

Yes. This vulnerability is being exploited in the wild.