Impact
When the reverse proxy handler tries to processes a certain type of invalid HTTP request, it tries to build an upstream URL by reading from uninitialized pointer. This behavior can lead to crashes or leak of information to back end HTTP servers.
Patches
PR #3229 fixes the issue. The pull request has been merged to master in commit f010336.
Workarounds
Upgrade to commit f010336 or later. At the moment, there is no tagged version with the fix incorporated.
None of the non-beta released versions (i.e., versions up to 2.2.6) is affected by this vulnerability (May 15 2023).
Acknowledgements
This issue was reported by @ElijahGlover; see #3228.
Impact
When the reverse proxy handler tries to processes a certain type of invalid HTTP request, it tries to build an upstream URL by reading from uninitialized pointer. This behavior can lead to crashes or leak of information to back end HTTP servers.
Patches
PR #3229 fixes the issue. The pull request has been merged to master in commit f010336.
Workarounds
Upgrade to commit f010336 or later. At the moment, there is no tagged version with the fix incorporated.
None of the non-beta released versions (i.e., versions up to 2.2.6) is affected by this vulnerability (May 15 2023).
Acknowledgements
This issue was reported by @ElijahGlover; see #3228.