Home/CVE/It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from th
CVE

CVE-2019-10157

It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from th

It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.

MEDIUM · CVSS 4.7 EPSS 0.00019
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-345Insufficient Verification of Data Authenticity
▤

Affected Products & Versions

2
redhat keycloak< 4.8.3
redhat single sign-on< 7.3.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm keycloak-connect MODERATE fixed in 4.8.3
▣

Scoring & Timeline

4.7
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jun 2019 · 02:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
rhsaRHSA-2019:1456Low
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/108734Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157Issue TrackingVendor Advisory
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