USN-4035-1

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USN-4035-1

Summary: ceph vulnerabilities

Details: It was discovered that Ceph incorrectly handled read only permissions. An authenticated attacker could use this issue to obtain dm-crypt encryption keys. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-14662) It was discovered that Ceph incorrectly handled certain OMAPs holding bucket indices. An authenticated attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2018-16846) It was discovered that Ceph incorrectly sanitized certain debug logs. A local attacker could possibly use this issue to obtain encryption key information. This issue was only addressed in Ubuntu 18.10 and Ubuntu 19.04. (CVE-2018-16889) It was discovered that Ceph incorrectly handled certain civetweb requests. A remote attacker could possibly use this issue to consume resources, leading to a denial of service. This issue only affected Ubuntu 18.10 and Ubuntu 19.04. (CVE-2019-3821)

References: https://ubuntu.com/security/notices/USN-4035-1, https://ubuntu.com/security/CVE-2018-14662, https://ubuntu.com/security/CVE-2018-16846, https://ubuntu.com/security/CVE-2018-16889, https://ubuntu.com/security/CVE-2019-3821