Vulnerability · Published Aug 23, 2022 · Assigned by snyk
CVE-2022-25761Denial of Service (DoS)
High 7.5
In plain English
A high-severity security flaw in open62541/open62541. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 73% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.4%top 26.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The package open62541/open62541 before 1.2.5, from 1.3-rc1 and before 1.3.1 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)
| Vendor | Product | Versions |
|---|---|---|
| n/a | open62541/open62541 | unspecified – before 1.2.51.3-rc1 – before unspecifiedunspecified – before 1.3.1 |
References
- https://security.snyk.io/vuln/SNYK-UNMANAGED-OPEN62541OPEN62541-2988719
- https://github.com/open62541/open62541/commit/b79db1ac78146fc06b0b8435773d3967de2d659c
- https://github.com/open62541/open62541/pull/5173
- https://github.com/open62541/open62541/releases/tag/v1.2.5
- https://github.com/open62541/open62541/releases/tag/v1.3.1
- FEDORA-2023-4827db70a8 vendor-advisory