Apache CXF: OAuth2: Inverted IP Binding Check Defeats Security Control
Summary
A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue. Affected product named by the advisory: Apache CXF.
What this means
In plain English
A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue. Affected product named by the advisory: Apache CXF.
Recommended action
Primary action: update to a vendor-listed fixed release: 4.2.2, 4.1.7.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
- Apache CXF 4.2.0 before 4.2.2
- Apache CXF before 4.1.7
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
- 4.2.2
- 4.1.7
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 4.2.2, 4.1.7. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.