CVE-2017-11191

Impact:
Low
Public Date:
2017-09-27
Bugzilla:
1475851: CVE-2017-11191 ipa: Session reuse to unlock the locked user

The MITRE CVE dictionary describes this issue as:

** DISPUTED ** FreeIPA 4.x with API version 2.213 allows a remote authenticated users to bypass intended account-locking restrictions via an unlock action with an old session ID (for the same user account) that had been created for an earlier session. NOTE: Vendor states that issue does not exist in product and does not recognize this report as a valid security concern.

Find out more about CVE-2017-11191 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

This security issue does not exist in IPA / FreeIPA. FreeIPA server correctly rejects the HTTP request for "user_unlock" method with 401 Unauthorized HTTP code when the attacker tries to reuse an older browser session. Therefore, we do not consider this report as a valid security concern. We have submitted a request to MITRE to reject this CVE ID.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 3.1
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity High
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact Low
Availability Impact None

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 ipa Not affected
Red Hat Enterprise Linux 6 ipa Not affected

Last Modified

CVE description copyright © 2017, The MITRE Corporation

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