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CVE-2021-3509

Publication date 27 May 2021

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

6.1 · Medium

Score breakdown

A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component. In response to CVE-2020-27839, the JWT token was moved from localStorage to an httpOnly cookie. However, token cookies are used in the body of the HTTP response for the documentation, which again makes it available to XSS.The greatest threat to the system is for confidentiality, integrity, and availability.

From the Ubuntu Security Team

Sergey Bobrov discovered that the Ceph dashboard was susceptible to a cross-site scripting attack. An attacker could use this to expose sensitive information or gain unintended access.

Read the notes from the security team

Status

Package Ubuntu Release Status
ceph 22.04 LTS jammy
Fixed 16.2.4-0ubuntu1
21.10 impish
Fixed 16.2.4-0ubuntu1
21.04 hirsute
Fixed 16.2.6-0ubuntu0.21.04.2
20.10 groovy
Fixed 15.2.12-0ubuntu0.20.10.1
20.04 LTS focal
Fixed 15.2.12-0ubuntu0.20.04.1
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes


mdeslaur

this is fixed in 16.2.4 in hirsute-updates but has not been pushed to the security pocket


sbeattie

incomplete fix for CVE-2020-27839.

Patch details

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

Package Patch details
ceph

Severity score breakdown

Parameter Value
Base score 6.1 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Changed
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

Related Ubuntu Security Notices (USN)

Other references