[SECURITY] [DLA 3629-1] ceph security update
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Debian LTS Advisory DLA-3629-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Bastien Roucariès
October 23, 2023 https://wiki.debian.org/LTS
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Package : ceph
Version : 12.2.11+dfsg1-2.1+deb10u1
CVE ID : CVE-2019-10222 CVE-2020-1700 CVE-2020-1760 CVE-2020-10753
CVE-2020-12059 CVE-2020-25678 CVE-2020-27781 CVE-2021-3524
CVE-2021-3531 CVE-2021-3979 CVE-2021-20288 CVE-2023-43040
Debian Bug : 1053690
Multiple vulnerabilities were fixed in Ceph, a massively scalable,
open-source, distributed storage system that runs on commodity hardware
and delivers object, block and file system storage.
CVE-2019-10222
A Denial of service was fixed: An unauthenticated attacker could crash
the Ceph RGW server by sending valid HTTP headers and terminating the
connection, resulting in a remote denial of service for Ceph RGW clients.
CVE-2020-1700
A Denial of Service was fixed: A flaw was found in the way the Ceph RGW
Beast front-end handles unexpected disconnects. An authenticated attacker
can abuse this flaw by making multiple disconnect attempts resulting in a
permanent leak of a socket connection by radosgw. This flaw could lead to
a denial of service condition by pile up of CLOSE_WAIT sockets, eventually
leading to the exhaustion of available resources, preventing legitimate
users from connecting to the system.
CVE-2020-1760
A XSS attack was fixed: A flaw was found in the Ceph Object Gateway,
where it supports request sent by an anonymous user in Amazon S3.
This flaw could lead to potential XSS attacks due to the lack
of proper neutralization of untrusted input.
CVE-2020-10753
A Header Injection attack was fixed: It was possible to
inject HTTP headers via a CORS ExposeHeader tag in an Amazon S3 bucket. The
newline character in the ExposeHeader tag in the CORS configuration file
generates a header injection in the response when the CORS request is
made.
CVE-2020-12059
A Denial of Service was fixed: A POST request with an invalid tagging
XML could crash the RGW process by triggering a NULL pointer exception.
CVE-2020-25678
An Information Disclosure was fixed: ceph stores mgr module passwords
in clear text. This can be found by searching the mgr logs for grafana and
dashboard, with passwords visible.
CVE-2020-27781
A Privilege Escalation was fixed: User credentials could be manipulated
and stolen by Native CephFS consumers of OpenStack Manila, resulting in
potential privilege escalation. An Open Stack Manila user can request
access to a share to an arbitrary cephx user, including existing users.
The access key is retrieved via the interface drivers. Then, all users of
the requesting OpenStack project can view the access key. This enables the
attacker to target any resource that the user has access to. This can be
done to even "admin" users, compromising the ceph administrator.
CVE-2021-3524
Similar to CVE-2020-10753, a Header Injection attack was fixed:
It was possible to inject HTTP headers via a CORS ExposeHeader
tag in an Amazon S3 bucket
CVE-2021-3531
A Denial of Service was fixed: When processing a GET Request in Ceph
Storage RGW for a swift URL that ends with two slashes it could cause the
rgw to crash, resulting in a denial of service.
CVE-2021-3979
A Loss of Confidentiality was fixed: A key length flaw was found in
Ceph Storage. An attacker could exploit the fact that the key length is
incorrectly passed in an encryption algorithm to create a non random key,
which is weaker and can be exploited for loss of confidentiality and
integrity on encrypted disks.
CVE-2021-20288
A Potential Privilege Escalation was fixed: When handling
CEPHX_GET_PRINCIPAL_SESSION_KEY requests, ignore CEPH_ENTITY_TYPE_AUTH in
CephXServiceTicketRequest::keys.
CVE-2023-43040
A flaw was found in Ceph RGW. An unprivileged
user can write to any bucket(s) accessible by a given key
if a POST's form-data contains a key called 'bucket'
with a value matching the name of the bucket used to sign
the request. The result of this is that a user could actually
upload to any bucket accessible by the specified access key
as long as the bucket in the POST policy matches the bucket
in said POST form part.
For Debian 10 buster, these problems have been fixed in version
12.2.11+dfsg1-2.1+deb10u1.
We recommend that you upgrade your ceph packages.
For the detailed security status of ceph please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/ceph
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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