RHSA-2018:0501

Vulnerability from csaf_redhat - Published: 2018-03-13 14:45 - Updated: 2026-05-14 18:21
Summary
Red Hat Security Advisory: Red Hat Single Sign-On 7.2.1 security update
Severity
Moderate
Notes
Topic: Red Hat Single Sign-On 7.2.1 is now available for download from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details: Red Hat Single Sign-On 7.2 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. This release of Red Hat Single Sign-On 7.2.1 serves as a replacement for Red Hat Single Sign-On 7.2.0, and includes several bug fixes and enhancements. For further information, refer to the Release Notes linked to in the References section. Security Fix(es): * hotrod client: unchecked deserialization in marshaller util (CVE-2016-0750) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

The hotrod java client in infinispan automatically deserializes bytearray message contents in certain events. A malicious user could exploit this flaw by injecting a specially-crafted serialized object to attain remote code execution or conduct other attacks.

CWE-138 - Improper Neutralization of Special Elements
Affected products
Product Identifier Version Remediation
Red Hat Single Sign-On 7.2.1 zip
Red Hat / Red Hat Single Sign-On
cpe:/a:redhat:jboss_single_sign_on:7.2
Vendor Fix fix
Threats
Impact Moderate

It was found that with non-clean TCP close, Websocket server gets into infinite loop on every IO thread, effectively causing DoS.

CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Affected products
Product Identifier Version Remediation
Red Hat Single Sign-On 7.2.1 zip
Red Hat / Red Hat Single Sign-On
cpe:/a:redhat:jboss_single_sign_on:7.2
Vendor Fix fix
Threats
Impact Moderate

It was found that the Hotrod client in Infinispan would unsafely read deserialized data on information from the cache. An authenticated attacker could inject a malicious object into the data cache and attain deserialization on the client, and possibly conduct further attacks.

CWE-502 - Deserialization of Untrusted Data
Affected products
Product Identifier Version Remediation
Red Hat Single Sign-On 7.2.1 zip
Red Hat / Red Hat Single Sign-On
cpe:/a:redhat:jboss_single_sign_on:7.2
Vendor Fix fix
Threats
Impact Important

[REJECTED CVE] This CVE has been rejected. This candidate is a duplicate of CVE-2015-9251. Note: All CVE users should reference CVE-2015-9251 instead of this candidate.

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected products
Product Identifier Version Remediation
Red Hat Single Sign-On 7.2.1 zip
Red Hat / Red Hat Single Sign-On
cpe:/a:redhat:jboss_single_sign_on:7.2
Vendor Fix fix
Threats
Impact Moderate
Acknowledgments
TrueSec Sebastian Olsson
Gregory Ramsperger Ryan Moak
Semmle/lgtm.com Man Yue Mo

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          "title": "Vulnerability description"
        },
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          "text": "infinispan: Unsafe deserialization of malicious object injected into data cache",
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      },
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "js-jquery: XSS in responses from cross-origin ajax requests",
          "title": "Vulnerability summary"
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-16012"
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      "remediations": [
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          "details": "Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on.\n\nThe References section of this erratum contains a download link (you must log in to download the update).",
          "product_ids": [
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          ],
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          "url": "https://access.redhat.com/errata/RHSA-2018:0501"
        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
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            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
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          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "js-jquery: XSS in responses from cross-origin ajax requests"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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