CVE-2020-12059 Null dereference in n/a

High 7.5 Published Updated

An attacker can crash the Ceph RGW process by sending a POST request with invalid tagging XML, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2020-12059?

CVE-2020-12059 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 22 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Ceph through 13.2.9. A POST request with an invalid tagging XML can crash the RGW process by triggering a NULL pointer exception.

Weakness: CWE-476

Which versions are affected by CVE-2020-12059?

1 open source package ship an affected version, including ceph. It affects 2 products.

PackageAffectedFixed in
ceph BitnamiAll versions to 13.2.9None
Linux distribution packages (13)
ceph SUSE:Enterprise Storage 5All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:HPE Helion OpenStack 8All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server 12 SP3-BCLAll versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server 12 SP3-LTSSAll versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server 12 SP4All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server 12 SP5All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server for SAP Applications 12 SP3All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server for SAP Applications 12 SP4All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Server for SAP Applications 12 SP5All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Software Development Kit 12 SP4All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:Linux Enterprise Software Development Kit 12 SP5All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:OpenStack Cloud 8All versions12.2.12+git.1587570958.35d78d0243-2.45.1
ceph SUSE:OpenStack Cloud Crowbar 8All versions12.2.12+git.1587570958.35d78d0243-2.45.1

Products include Canonical Ubuntu Linux, Linuxfoundation Ceph.

How do I fix CVE-2020-12059?

Apply the vendor's patch.

Is CVE-2020-12059 being exploited?

There is no known exploitation of CVE-2020-12059 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as BIT-ceph-2020-12059, DEBIAN-CVE-2020-12059, GHSA-896g-qc8p-7wrp, OESA-2021-1009, SUSE-SU-2020:1158-1, UBUNTU-CVE-2020-12059.

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