Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-4f53-xh3v-g8x4
Advisory ID github_osv/GHSA-4f53-xh3v-g8x4
Aliases CVE-2023-3597
Summary Keycloak secondary factor bypass in step-up authentication Keycloak does not correctly validate its client step-up authentication. A password-authed attacker could use this flaw to register a false second auth factor, alongside the existing one, to a targeted account. The second factor then permits step-up authentication.
Status Published
Exploitability 0.5
Weighted Severity 4.5
Risk 2.2
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-287 Improper Authentication
CWE-288 Authentication Bypass Using an Alternate Path or Channel
System Score Found at
cvssv3.1 5.0 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-4f53-xh3v-g8x4/GHSA-4f53-xh3v-g8x4.json
generic_textual MODERATE
Reference id Reference type URL
https://github.com/keycloak/keycloak
https://github.com/keycloak/keycloak/commit/aa634aee882892960a526e49982806e103c8a432
2221760 Bug https://bugzilla.redhat.com/show_bug.cgi?id=2221760
CVE-2023-3597 Advisory https://access.redhat.com/security/cve/CVE-2023-3597
CVE-2023-3597 https://nvd.nist.gov/vuln/detail/CVE-2023-3597
GHSA-4f53-xh3v-g8x4 https://github.com/keycloak/keycloak/security/advisories/GHSA-4f53-xh3v-g8x4
RHSA-2024:1866 https://access.redhat.com/errata/RHSA-2024:1866
RHSA-2024:1867 https://access.redhat.com/errata/RHSA-2024:1867
RHSA-2024:1868 https://access.redhat.com/errata/RHSA-2024:1868
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-4f53-xh3v-g8x4/GHSA-4f53-xh3v-g8x4.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-05-02T15:08:53Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2023/3xxx/CVE-2023-3597.json

Source Advisory: vulnrichment/CVE-2023-3597

View SSVC decision tree 
[{'Exploitation': 'none'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]