CVE-2017-12158

Aliases:GHSA-v38p-mqq3-m6v5
Advisory lineage Upstream: 0 Downstream: 2
Modified
Published: 26 Oct 2017, 17:00
Last modified:16 Sept 2024, 23:36

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.4 MEDIUM
v3.0 (nvd)
EPSS Score
0.67% LOW
1% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Oct 2017, 17:00
Published
Vulnerability first disclosed
16 Sept 2024, 23:36
Last Modified
Vulnerability information updated

Description

It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.

CVSS Metrics

  • v3.0MEDIUMScore: 5.4CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • v2.0LOWScore: 3.5AV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.67% Percentile: 72%

Techniques & Countermeasures

  • CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

    The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Affected Systems

  • keycloakkeycloak

    na

  • org.keycloakkeycloak-parent

    < 3.4.0

  • red hat, inc.keycloak

    3.4.0

  • redhatsingle_sign_on

    7.0 | 7.1

References (7)