Buffer overflow in Opcua Project
CVE-2022-25903
The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000
Affected products
- Opcua Project
- Opcua — versions 0.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/locka99/opcua/pull/216 (Third Party Advisory)
- security.snyk.io/vuln/SNYK-RUST-OPCUA-2988750 (Patch, Third Party Advisory)
- github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-25903?
- CVE-2022-25903 is a high-severity vulnerability in Opcua Project, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-08-24.
- How severe is CVE-2022-25903?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2022-25903 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.