Incorrect Authorization with specially crafted requests

Critical

desimone published GHSA-pvrc-wvj2-f59p

May 26, 2023

Package

Pomerium Core (Pomerium)

Affected versions

<=v0.22.1

Patched versions

v0.22.2, v0.21.4, v0.20.1, v0.19.2, v0.18.1, v0.17.4

Description

Impact

With specially crafted requests, incorrect authorization decisions may be made by Pomerium.

Patches

We are releasing patch fixes to address this vulnerability going back to v0.17.X. Please upgrade to:

v0.22.2
v0.21.4
v0.20.1
v0.19.2
v0.18.1
v0.17.4

For more information

If you have any questions or comments about this advisory:

Open an issue in pomerium/pomerium
Email us at security@pomerium.com

Severity

Critical

10.0

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N