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Requests `Session` object does not verify requests after making first request with verify=False

Moderate severity GitHub Reviewed Published May 20, 2024 in psf/requests • Updated Jun 10, 2024

Package

pip requests (pip)

Affected versions

< 2.32.0

Patched versions

2.32.0

Description

When making requests through a Requests Session, if the first request is made with verify=False to disable cert verification, all subsequent requests to the same origin will continue to ignore cert verification regardless of changes to the value of verify. This behavior will continue for the lifecycle of the connection in the connection pool.

Remediation

Any of these options can be used to remediate the current issue, we highly recommend upgrading as the preferred mitigation.

  • Upgrade to requests>=2.32.0.
  • For requests<2.32.0, avoid setting verify=False for the first request to a host while using a Requests Session.
  • For requests<2.32.0, call close() on Session objects to clear existing connections if verify=False is used.

Related Links

References

@nateprewitt nateprewitt published to psf/requests May 20, 2024
Published to the GitHub Advisory Database May 20, 2024
Reviewed May 20, 2024
Published by the National Vulnerability Database May 20, 2024
Last updated Jun 10, 2024

Severity

Moderate
5.6
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
High
Privileges required
High
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N

Weaknesses

CVE ID

CVE-2024-35195

GHSA ID

GHSA-9wx4-h78v-vm56

Source code

Credits

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