Stay Secure with the Latest Linux Advisories

security advisoryunauthorized accesshigh severity

Ubuntu 20.04 LTS USN-4706-1 High Severity: Ceph Access Attacks

Several security issues were fixed in Ceph.. =========================================================================Ubuntu Security Notice USN-4706-1 January 28, 2021 ceph vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS Summary: Several security issues were fixed in Ceph. Software Description: - ceph: distributed storage and file system Details: Olle Segerdahl found that ceph-mon and ceph-mgr daemons did not properly restrict access, resulting in gaining access to unauthorized resources. An authenticated user could use this vulnerability to modify the configuration and possibly conduct further attacks. (CVE-2020-10736) Adam Mohammed found that Ceph Object Gateway was vulnerable to HTTP header injection via a CORS ExposeHeader tag. An attacker could use this to gain access or cause a crash. (CVE-2020-10753) Ilya Dryomov found that Cephx authentication did not verify Ceph clients correctly and was then vulnerable to replay attacks in Nautilus. An attacker could use the Ceph cluster network to authenticate via a packet sniffer and perform actions. This issue is a reintroduction of CVE-2018-1128. (CVE-2020-25660) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: ceph 15.2.7-0ubuntu0.20.10.3 ceph-base 15.2.7-0ubuntu0.20.10.3 ceph-common 15.2.7-0ubuntu0.20.10.3 Ubuntu 20.04 LTS: ceph 15.2.7-0ubuntu0.20.04.2 ceph-base 15.2.7-0ubuntu0.20.04.2 ceph-common 15.2.7-0ubuntu0.20.04.2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4706-1 CVE-2020-10736, CVE-2020-10753, CVE-2020-25660 Package Information: https://launchpad.net/ubuntu/+source/ceph/15.2.7-0ubuntu0.20.10.3 https://launchpad.net/ubuntu/+source/ceph/15.2.7-0ubuntu0.20.04.2 . Investigate Ubuntu Security Notice USN-4706-1 targeting significant Ceph security flaws to enhance system administration safety.. Ceph Issues, Ubuntu Advisory, System Security Update. . LinuxSecurity.com Team

Jan 28, 2021 Ubuntu