Vulnerability · Published Aug 23, 2022 · Assigned by snyk
CVE-2022-25888Denial of Service (DoS)
High 7.5
In plain English
A high-severity security flaw in opcua. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.3%top 29.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.
Affected products (as reported)
References
- https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988751 x_refsource_MISC
- https://github.com/locka99/opcua/pull/216 x_refsource_MISC
- https://github.com/locka99/opcua/pull/216/commits/6fb683c5fec46c6dd347824491c4d93a229da695 x_refsource_MISC