Ubuntu Security Notice 4528-1 - Adam Mohammed discovered that Ceph incorrectly handled certain CORS ExposeHeader tags. A remote attacker could possibly use this issue to perform an HTTP header injection attack. Lei Cao discovered that Ceph incorrectly handled certain POST requests with invalid tagging XML. A remote attacker could possibly use this issue to cause Ceph to crash, leading to a denial of service. This issue only affected Ubuntu 18.04 LTS. Various other issues were also addressed.
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