Summary
Package updates are available for Amazon Linux 2 that fix the following 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.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | ceph-common | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | ceph-common-debuginfo | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | librados2 | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | librados2-devel | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | librbd1 | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | librbd1-devel | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | python-rados | 1:10.2.5-4.amzn2.0.2 |
| Amazon Linux · 2 | python-rbd | 1:10.2.5-4.amzn2.0.2 |
Vulnerabilities 1
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Medium 6.5CVE-2023-43040 Public exploit
IBM Spectrum Fusion HCI improper access control
IBM Spectrum Fusion HCI 2.5.2 through 2.7.2 could allow an attacker to perform unauthorized actions in RGW for Ceph due to improper bucket access. IBM X-Force ID: 266807.
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-43040.html