CVE-2019-5040 Integer overflow in Nest Labs

What is CVE-2019-5040?

CVE-2019-5040 is a high-severity vulnerability in Nest Labs, published on 20 Aug 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-190

Which versions are affected by CVE-2019-5040?

It affects 2 products.

Products include Google Nest Cam Iq Indoor Firmware, Openweave Openweave-Core.

How do I fix CVE-2019-5040?

No fix has been published for CVE-2019-5040 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-5040 being exploited?

There is no known exploitation of CVE-2019-5040 in the wild and no public exploit code.

Other vulnerabilities in Nest Labs

• CVE-2019-5035 Information disclosure in Nest Labs Critical 9.0
• CVE-2019-5036 Denial of service in Nest Labs High 7.5
• CVE-2019-5037 Integer overflow in Nest Labs High 7.5
• CVE-2019-5043 Denial of service in Nest Labs Medium 5.3
• CVE-2019-5034 Information disclosure in Nest Labs Medium 5.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-v2rr-wfqp-88fw.