Vulnerability Details CVE-2020-36406
uWebSockets 18.11.0 and 18.12.0 has a stack-based buffer overflow in uWS::TopicTree::trimTree (called from uWS::TopicTree::unsubscribeAll). NOTE: the vendor's position is that this is "a minor issue or not even an issue at all" because the developer of an application (that uses uWebSockets) should not be allowing the large number of triggered topics to accumulate
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.2%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.8
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25381
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/uwebsockets/OSV-2020-1695.yaml
- https://github.com/uNetworking/uWebSockets/commit/03fca626a95130ab80f86adada54b29d27242759
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25381
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/uwebsockets/OSV-2020-1695.yaml
- https://github.com/uNetworking/uWebSockets/commit/03fca626a95130ab80f86adada54b29d27242759
Products affected by CVE-2020-36406
-
cpe:2.3:a:uwebsockets_project:uwebsockets:18.11.0
-
cpe:2.3:a:uwebsockets_project:uwebsockets:18.12.0
-
cpe:2.3:o:linux:linux_kernel:-