CVE-2020-12059

Publication date 22 April 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ceph	20.04 LTS focal	Not affected
	19.10 eoan	Not affected
	18.04 LTS bionic	Fixed 12.2.13-0ubuntu0.18.04.4
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

Notes

mdeslaur

introduced in 12.1.1, code in 14.x is different

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ceph	Upstream: 375d926

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4528-1
Ceph vulnerabilities
22 September 2020