USN-5628-2

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USN-5628-2

Summary: etcd vulnerabilities

Details: USN-5628-1 fixed vulnerabilities in etcd. This update provides the corresponding updates for Ubuntu 18.04 ESM. Original advisory details: It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-15106, CVE-2020-15112) It was discovered that etcd incorrectly handled directory permissions when trying to create a directory that exists already. An attacker could possibly use this issue to obtain sensitive information. (CVE-2020-15113) It was discovered that etcd incorrectly handled endpoint setup. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-15114)

References: https://ubuntu.com/security/notices/USN-5628-2, https://ubuntu.com/security/CVE-2020-15106, https://ubuntu.com/security/CVE-2020-15112, https://ubuntu.com/security/CVE-2020-15113, https://ubuntu.com/security/CVE-2020-15114