id: PYSEC-2023-190
modified: 2023-10-04T18:37:48.407821Z
published: 2023-10-03T05:15:00Z
aliases:
- CVE-2023-26151
- GHSA-gfvq-mxw3-mfq3
details: 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.
affected:
- package:
    ecosystem: PyPI
    name: asyncua
    purl: pkg:pypi/asyncua
  ranges:
  - type: GIT
    events:
    - introduced: "0"
    - fixed: f6603daa34a93a658f0e176cb0b9ee5a6643b262
    repo: https://github.com/FreeOpcUa/opcua-asyncio
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 0.9.96
  versions:
  - 0.5.0
  - 0.5.1
  - 0.6.0
  - 0.6.1
  - 0.8.0
  - 0.8.1
  - 0.8.2
  - 0.8.3
  - 0.8.4
  - 0.9.0
  - 0.9.1
  - 0.9.10
  - 0.9.11
  - 0.9.12
  - 0.9.14
  - 0.9.2
  - 0.9.3
  - 0.9.6
  - 0.9.8
  - 0.9.9
  - 0.9.90
  - 0.9.91
  - 0.9.92
  - 0.9.93
  - 0.9.94
  - 0.9.95
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
references:
- type: EVIDENCE
  url: https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
- type: WEB
  url: https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
- type: WEB
  url: https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
- type: EVIDENCE
  url: https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
- type: FIX
  url: https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
- type: WEB
  url: https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
- type: EVIDENCE
  url: https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
- type: REPORT
  url: https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
- type: FIX
  url: https://github.com/FreeOpcUa/opcua-asyncio/pull/1039
- type: FIX
  url: 
    https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262
- type: ADVISORY
  url: https://github.com/advisories/GHSA-gfvq-mxw3-mfq3