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TI-2017-01840 Aliases CVE-2017-2585GHSA-w6gv-3r3v-gwgj

Information disclosure in Red Hat keycloak

Priority LOW 30CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 3 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-200.

Summary

Red Hat Keycloak before version 2.5.1 has an implementation of HMAC verification for JWS tokens that uses a method that runs in non-constant time, potentially leaving the application vulnerable to timing attacks.

Why it matters now

EPSS 0.01974 80th percentileScored 2026-11-07
Fix Partial org.keycloak:keycloak-core (Maven): 2.5.1Red Hat: 3 advisoriesRed Hat: 3 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Red Hatkeycloak2.5.1—No fix listedCNA
—org.keycloak:keycloak-core (Maven)before 2.5.12.5.1Patch availableGHSA-w6gv-3r3v-gwgj
  • keycloak VendorRed Hat Affected 2.5.1 Fixed in — No fix listed CNA
  • org.keycloak:keycloak-core (Maven) Vendor— Affected before 2.5.1 Fixed in 2.5.1 Patch available GHSA-w6gv-3r3v-gwgj

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*before 2.5.1VulnerableRed Hat
cpe:2.3:a:redhat:single_sign_on:7.1:*:*:*:*:*:*:*7.1VulnerableRed Hat
cpe:2.3:a:redhat:single_sign_on:7.2:*:*:*:*:*:*:*7.2VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0Running onRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0Running onRed Hat
  • cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* Versions before 2.5.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:single_sign_on:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:single_sign_on:7.2:*:*:*:*:*:*:* Versions 7.2 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Running on ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Running on ·Red Hat

Remediation

  • Fix · GHSA-w6gv-3r3v-gwgj org.keycloak:keycloak-core (Maven) Fixed in 2.5.1 Advisory →

Red Hat 3 advisories

  • RHSA-2017:0872 Released 2017-04-04 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.1 update on RHEL 6
    • Red Hat Single Sign-On 7.1 for RHEL 6 Server rh-sso7-1-2.jbcs.el6, rh-sso7-freemarker-2.3.23-1.redhat_2.2.jbcs.el6, rh-sso7-javapackages-tools-3.4.1-5.15.3.jbcs.el6 +13
  • RHSA-2017:0873 Released 2017-04-04 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.1 update on RHEL 7
    • Red Hat Single Sign-On 7.1 for RHEL 7 Server rh-sso7-1-2.jbcs.el7, rh-sso7-freemarker-2.3.23-1.redhat_2.2.jbcs.el7, rh-sso7-javapackages-tools-3.4.1-5.15.3.jbcs.el7 +13
  • RHSA-2017:0876 Released 2017-04-04 · Red Hat rating Moderate
    Red Hat Single Sign-On 7.1 update
    • Red Hat Single Sign-On 7.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Red Hat Keycloak — RHSA-2017:0876

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2016-07091 Improper access control in Red Hat KeycloakPriority LOW 33
    Show all 2 records → Advisory →
  • Advisory ·

    Red Hat Keycloak — RHSA-2017:0872

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2016-07091 Improper access control in Red Hat KeycloakPriority LOW 33
    Show all 2 records → Advisory →
Show 1 more group
  • Advisory ·

    Red Hat Keycloak — RHSA-2017:0873

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2016-07091 Improper access control in Red Hat KeycloakPriority LOW 33
    Show all 2 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Mobile Application Platform 4AffectedNo fix planned: Will not fix
Red Hat Single Sign-On 7.1Fixed RHSA-2017:0876
Red Hat Single Sign-On 7.1 for RHEL 6 ServerFixed RHSA-2017:0872
Red Hat Single Sign-On 7.1 for RHEL 7 ServerFixed RHSA-2017:0873

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-2585
  2. 2026-10-03 Alias added: GHSA-w6gv-3r3v-gwgj

References

Advisory 5

Other 3

  • TI-2024-01049 Keycloak: path transversal in redirection validation CVSS 3.1HIGH 8.1
  • TI-2023-26623 The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6… CVSS 3.1MEDIUM 5.9
  • TI-2020-08665 Server-side request forgery in keycloak CVSS 3.1MEDIUM 5.3
  • TI-2022-03468 Path traversal in Red Hat Keycloak CVSS 3.1CRITICAL 9.1
  • TI-2021-03612 A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. CVSS 3.1MEDIUM 6.1
  • TI-2022-03994 Cross-site scripting in keycloak CVSS 3.1CRITICAL 10.0
See all 97 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences