CVE-2023-26151 — Versions of the package asyncua before 0
Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.
Published
2023-10-03T05:00:01.093Z
Last modified
2024-09-20T14:16:00.651Z
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P
01What is this vulnerability?
Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / asyncua | 0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2023-10-03T05:00:01.093Z
- Last modified: 2024-09-20T14:16:00.651Z
09References
- security.snyk.io — https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
- gist.github.com — https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
- github.com — https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
- github.com — https://github.com/FreeOpcUa/opcua-asyncio/pull/1039
- github.com — https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee…
- github.com — https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
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