rhsa-2016_1439
Vulnerability from csaf_redhat
Published
2016-07-19 20:39
Modified
2024-11-22 10:01
Summary
Red Hat Security Advisory: Red Hat Single Sign-On security update
Notes
Topic
A security update is now available for Red Hat Single Sign-On 7.0 from the Customer Portal.
Red Hat Product Security has rated this update as having a security impact of Critical. 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 7.0 is a standalone server, based on the Keycloak project, that provides authentication and standards-based SSO capabilities for web and mobile applications.
This asynchronous patch is a security update for JGroups package in Red Hat Single Sign-On 7.0. More information about this vulnerability is available at: https://access.redhat.com/articles/2360521
Security Fix(es):
* It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks. (CVE-2016-2141)
The CVE-2016-2141 issue was discovered by Dennis Reed (Red Hat).
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.
{
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"text": "Critical"
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"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
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"lang": "en",
"notes": [
{
"category": "summary",
"text": "A security update is now available for Red Hat Single Sign-On 7.0 from the Customer Portal.\n\nRed Hat Product Security has rated this update as having a security impact of Critical. 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.",
"title": "Topic"
},
{
"category": "general",
"text": "Red Hat Single Sign-On 7.0 is a standalone server, based on the Keycloak project, that provides authentication and standards-based SSO capabilities for web and mobile applications.\n\nThis asynchronous patch is a security update for JGroups package in Red Hat Single Sign-On 7.0. More information about this vulnerability is available at: https://access.redhat.com/articles/2360521\n\nSecurity Fix(es):\n\n* It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks. (CVE-2016-2141)\n\nThe CVE-2016-2141 issue was discovered by Dennis Reed (Red Hat).",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "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.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2016:1439",
"url": "https://access.redhat.com/errata/RHSA-2016:1439"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#critical",
"url": "https://access.redhat.com/security/updates/classification/#critical"
},
{
"category": "external",
"summary": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso\u0026downloadType=securityPatches\u0026version=7.0",
"url": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso\u0026downloadType=securityPatches\u0026version=7.0"
},
{
"category": "external",
"summary": "https://access.redhat.com/articles/2360521",
"url": "https://access.redhat.com/articles/2360521"
},
{
"category": "external",
"summary": "1313589",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1313589"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2016/rhsa-2016_1439.json"
}
],
"title": "Red Hat Security Advisory: Red Hat Single Sign-On security update",
"tracking": {
"current_release_date": "2024-11-22T10:01:16+00:00",
"generator": {
"date": "2024-11-22T10:01:16+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.1"
}
},
"id": "RHSA-2016:1439",
"initial_release_date": "2016-07-19T20:39:46+00:00",
"revision_history": [
{
"date": "2016-07-19T20:39:46+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2019-02-20T12:39:01+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-22T10:01:16+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Single Sign-On 7.0",
"product": {
"name": "Red Hat Single Sign-On 7.0",
"product_id": "Red Hat Single Sign-On 7.0",
"product_identification_helper": {
"cpe": "cpe:/a:redhat:jboss_single_sign_on:7.0"
}
}
}
],
"category": "product_family",
"name": "Red Hat Single Sign-On"
}
],
"category": "vendor",
"name": "Red Hat"
}
]
},
"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Dennis Reed"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2016-2141",
"discovery_date": "2015-11-16T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1313589"
}
],
"notes": [
{
"category": "description",
"text": "It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "JGroups: Authorization bypass",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"Red Hat Single Sign-On 7.0"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2016-2141"
},
{
"category": "external",
"summary": "RHBZ#1313589",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1313589"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2016-2141",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-2141"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-2141",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2141"
}
],
"release_date": "2016-06-23T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2016-07-19T20:39:46+00:00",
"details": "The References section of this erratum contains a download link (you must\nlog in to download the update). Before applying this update, back up your\nexisting Red Hat Single Sign-On installation.",
"product_ids": [
"Red Hat Single Sign-On 7.0"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2016:1439"
},
{
"category": "workaround",
"details": "Please refer to https://access.redhat.com/articles/2360521 for more information.",
"product_ids": [
"Red Hat Single Sign-On 7.0"
]
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"Red Hat Single Sign-On 7.0"
]
}
],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "JGroups: Authorization bypass"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.