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Date: Fri, 14 May 2021 15:16:37 -0400
From: Ana McTaggart <amctagga@...hat.com>
To: oss-security@...ts.openwall.com, felix.huettner@...l.schwarz
Subject: CVE-2021-3531: Ceph: RGW unauthenticated denial of service

Hello,
A flaw was found in the Red Hat Ceph Storage RGW. When processing a GET
Request for a swift URL that ends with two slashes it can cause the rgw to
crash, resulting in a denial of service.

We have assigned it a CVE of CVE-2021-3531 and a patch is attached.

Fixes may be found here:

Nautilus:
https://github.com/ceph/ceph/commit/f44a8ae8aa27ecef69528db9aec220f12492810e
Octopus:
https://github.com/ceph/ceph/commit/b87e64e3206210580f4a6df2d77f9ae3f1033039
Pacific:
https://github.com/ceph/ceph/commit/bf06990ab41d7ac299e4441ad9cd434e926a18e7

Ana McTaggart

Red Hat Product Security

Red Hat Remote <https://www.redhat.com>


secalert@...hat.com for urgent response


amct@...hat.com


M: +1 (774)279-0791 <7742790791>     IM: amctagga


Pronouns:They/Them/Theirs

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Download attachment "0001-rgw-sanitize-r-in-s3-CORSConfiguration-s-ExposeHeade.patch" of type "application/x-patch" (1265 bytes)

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