CVE-2023-26151

Advisory

Asyncua 0.9.96 includes a fix for CVE-2023-26151: 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.
https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262

Affected package

Affected versions

Fixed versions

Vulnerability changelog

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. See CVE-2023-26151.


MISC:https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8: https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
MISC:https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262: https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262
MISC:https://github.com/FreeOpcUa/opcua-asyncio/issues/1013: https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
MISC:https://github.com/FreeOpcUa/opcua-asyncio/pull/1039: https://github.com/FreeOpcUa/opcua-asyncio/pull/1039
MISC:https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96: https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
MISC:https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709: https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709

Resources

• https://gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8
• https://github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b262
• https://github.com/FreeOpcUa/opcua-asyncio/issues/1013
• https://github.com/FreeOpcUa/opcua-asyncio/pull/1039
• https://github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96
• https://security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-26151