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pomerium_signature is not verified in middleware in github.com/pomerium/pomerium

Moderate severity GitHub Reviewed Published Mar 31, 2021 in pomerium/pomerium • Updated Oct 2, 2023

Package

gomod github.com/pomerium/pomerium (Go)

Affected versions

>= 0.10.0, < 0.13.4

Patched versions

0.13.4

Description

Impact

Some API endpoints under /.pomerium/ do not verify parameters with pomerium_signature. This could allow modifying parameters intended to be trusted to Pomerium.

The issue mainly affects routes responsible for sign in/out, but does not introduce an authentication bypass.

Specific Go Packages Affected

github.com/pomerium/pomerium/authenticate

Patches

Patched in v0.13.4

For more information

If you have any questions or comments about this advisory

References

@travisgroth travisgroth published to pomerium/pomerium Mar 31, 2021
Reviewed May 20, 2021
Published to the GitHub Advisory Database May 21, 2021
Last updated Oct 2, 2023

Severity

Moderate
6.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses

CVE ID

CVE-2021-29652

GHSA ID

GHSA-fv82-r8qv-ch4v

Source code

No known source code

Credits

Checking history
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