High severity · published Aug 20, 2019
CVE-2019-5039
An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2
8.8
CVSS
1.6%
EPSS
No
On KEV
Description
An exploitable command execution vulnerability exists in the ASN1 certificate writing functionality of Openweave-core version 4.0.2. A specially crafted weave certificate can trigger a heap-based buffer overflow, resulting in code execution. An attacker can craft a weave certificate to trigger this vulnerability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Openweave-core · Openweave
4.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-5039
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-5039
Exploit
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0802
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