ALAS2-2023-2297

Related Vulnerabilities: CVE-2023-43040  

A flaw was found in rgw. This flaw allows an unprivileged user to 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 bucket's name used to sign the request. This issue results in a user being able to upload to any bucket accessible by the specified access key as long as the bucket in the POST policy matches the bucket in the said POST form part. (CVE-2023-43040)

ALAS2-2023-2297


Amazon Linux 2 Security Advisory: ALAS-2023-2297
Advisory Release Date: 2023-10-12 15:09 Pacific
Advisory Updated Date: 2023-10-19 23:40 Pacific
Severity: Medium

Issue Overview:

A flaw was found in rgw. This flaw allows an unprivileged user to 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 bucket's name used to sign the request. This issue results in a user being able to upload to any bucket accessible by the specified access key as long as the bucket in the POST policy matches the bucket in the said POST form part. (CVE-2023-43040)


Affected Packages:

ceph-common


Issue Correction:
Run yum update ceph-common to update your system.

New Packages:
aarch64:
    ceph-common-10.2.5-4.amzn2.0.2.aarch64
    librados2-10.2.5-4.amzn2.0.2.aarch64
    librados2-devel-10.2.5-4.amzn2.0.2.aarch64
    python-rados-10.2.5-4.amzn2.0.2.aarch64
    librbd1-10.2.5-4.amzn2.0.2.aarch64
    librbd1-devel-10.2.5-4.amzn2.0.2.aarch64
    python-rbd-10.2.5-4.amzn2.0.2.aarch64
    ceph-common-debuginfo-10.2.5-4.amzn2.0.2.aarch64

i686:
    ceph-common-10.2.5-4.amzn2.0.2.i686
    librados2-10.2.5-4.amzn2.0.2.i686
    librados2-devel-10.2.5-4.amzn2.0.2.i686
    python-rados-10.2.5-4.amzn2.0.2.i686
    librbd1-10.2.5-4.amzn2.0.2.i686
    librbd1-devel-10.2.5-4.amzn2.0.2.i686
    python-rbd-10.2.5-4.amzn2.0.2.i686
    ceph-common-debuginfo-10.2.5-4.amzn2.0.2.i686

src:
    ceph-common-10.2.5-4.amzn2.0.2.src

x86_64:
    ceph-common-10.2.5-4.amzn2.0.2.x86_64
    librados2-10.2.5-4.amzn2.0.2.x86_64
    librados2-devel-10.2.5-4.amzn2.0.2.x86_64
    python-rados-10.2.5-4.amzn2.0.2.x86_64
    librbd1-10.2.5-4.amzn2.0.2.x86_64
    librbd1-devel-10.2.5-4.amzn2.0.2.x86_64
    python-rbd-10.2.5-4.amzn2.0.2.x86_64
    ceph-common-debuginfo-10.2.5-4.amzn2.0.2.x86_64