High severity · published Aug 20, 2019
CVE-2019-5040
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
7.5
CVSS
0.8%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NC
Nest Cam IQ Indoor Firmware · Google
4620002 · source: NVD
OP
Openweave-core · Openweave
4.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5040
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5040
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0803
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