CVE-2019-5040 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An exploitable information disclosure vulnerability exists in the Weave MessageLayer parsing of Openweave-core version 4.0.2 and Nest Cam IQ Indoor version 4620002. A specially crafted weave packet can cause an integer overflow to occur, resulting in PacketBuffer data reuse. An attacker can send a packet to trigger this vulnerability.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Openweave	Openweave-Core	4.0.2
Google	Nest Cam Iq Indoor Firmware	4620002
Google	Nest Cam Iq Indoor	-

Related Weaknesses (CWE)

CWE-190

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0803ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0803ExploitThird Party Advisory

FAQ

What is CVE-2019-5040?

CVE-2019-5040 is a vulnerability with a CVSS score of 7.5 (HIGH). An exploitable information disclosure vulnerability exists in the Weave MessageLayer parsing of Openweave-core version 4.0.2 and Nest Cam IQ Indoor version 4620002. A specially crafted weave packet ca...

How severe is CVE-2019-5040?

CVE-2019-5040 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-5040?

Check the references section above for vendor advisories and patch information. Affected products include: Openweave Openweave-Core, Google Nest Cam Iq Indoor Firmware, Google Nest Cam Iq Indoor.