CVE-2022-25304PYSEC-2026-2385GHSA-MFPJ-3QHM-976MPYSEC-2026-888
Denial of Service (DoS)
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 0.9.96
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
All versions of package opcua; all versions of package asyncua 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.
Timeline
- CVE published
- Record last updated
Affected versions
- n/a opcua
All versions
- n/a asyncua
All versions
- asyncuaPyPI
fixed in 0.9.96
- opcuaPyPI
through 0.98.13