CVE-2023-33955: Minio console object names with RIGHT-TO-LEFT OVERRIDE unicode character can be exploited
Impact Unicode RIGHT-TO-LEFT OVERRIDE characters can be used to mask the original filename.
Reported-By Thanks to the report from Mio Li wulilixi1@gmail.com
Patches commit 17e791afb90c9ad27c65f63c6be14f2f6a3a9d60 Author: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com> Date: Tue May 23 08:47:12 2023 -0700
Replace RIGHT-TO-LEFT OVERRIDE unicode (#2828) Signed-off-by: Daniel Valdivia <18384552+dvaldivia@users.noreply.github.com>
Workarounds Workarounds are to remove the concerned file and rewrite it properly with the right file and extensions. Avoid using RTLO characters in your filenames.
Other sources
Minio Console is the UI for MinIO Object Storage. Unicode RIGHT-TO-LEFT OVERRIDE characters can be used to mask the original filename. This issue has been patched in version 0.28.0.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
go/github.com/minio/consoleto a version that resolves this vulnerability.Fixed in 0.28.0 - Upgrade
Upgrade
minio/minio consoleto a version that resolves this vulnerability.Fixed in 0.28.0 - Remove
Remove
minio console object(s) with RIGHT-TO-LEFT OVERRIDE unicode characterfrom your environment.Remove the concerned object/file that has a RIGHT-TO-LEFT OVERRIDE unicode character.
- Operational
Rewrite the removed object/file properly with the correct filename and extensions (i.e., without using RIGHT-TO-LEFT OVERRIDE unicode characters).
Event History
Frequently Asked Questions
What is the severity of CVE-2023-33955?
CVE-2023-33955 has been classified as a medium severity vulnerability due to the potential for filename masking.
How do I fix CVE-2023-33955?
To remediate CVE-2023-33955, upgrade to a version higher than 0.28.0 of the Minio Console.
What is CVE-2023-33955?
CVE-2023-33955 involves the exploitation of Unicode RIGHT-TO-LEFT OVERRIDE characters, which can obscure the original filename.
Which software versions are affected by CVE-2023-33955?
CVE-2023-33955 affects versions of Minio Console up to but not including 0.28.0.
Who reported CVE-2023-33955?
CVE-2023-33955 was reported by Mio Li.