USN-4528-1: Ceph vulnerabilities

Details

Adam Mohammed discovered that Ceph incorrectly handled certain CORS
ExposeHeader tags. A remote attacker could possibly use this issue to
preform an HTTP header injection attack. (CVE-2020-10753)

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. (CVE-2020-12059)

Robin H. Johnson discovered that Ceph incorrectly handled certain S3
requests. A remote attacker could possibly use this issue to perform a
XSS attack. (CVE-2020-1760)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04

• ceph - 12.2.13-0ubuntu0.18.04.4
• ceph-base - 12.2.13-0ubuntu0.18.04.4
• ceph-common - 12.2.13-0ubuntu0.18.04.4

Ubuntu 16.04

• ceph - 10.2.11-0ubuntu0.16.04.3
• ceph-common - 10.2.11-0ubuntu0.16.04.3

In general, a standard system update will make all the necessary changes.

References

• CVE-2020-10753
• CVE-2020-12059
• CVE-2020-1760