csaf_redhat - rhsa-2016

rhsa-2016_2809

Vulnerability from csaf_redhat

Published

2016-11-21 11:22

Modified

2024-11-22 10:31

Summary

Red Hat Security Advisory: ipsilon security update

Notes

Topic

An update for ipsilon is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. 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

The ipsilon packages provide the Ipsilon identity provider service for federated single sign-on (SSO). Ipsilon links authentication providers and applications or utilities to allow for SSO. It includes a server and utilities to configure Apache-based service providers. Security Fix(es): * A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions. (CVE-2016-8638) This issue was discovered by Patrick Uiterwijk (Red Hat) and Howard Johnson.

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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{
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        "text": "An update for ipsilon is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. 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"
      },
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        "text": "The ipsilon packages provide the Ipsilon identity provider service for federated single sign-on (SSO). Ipsilon links authentication providers and applications or utilities to allow for SSO. It includes a server and utilities to configure Apache-based service providers.\n\nSecurity Fix(es):\n\n* A vulnerability was found in ipsilon in the SAML2 provider\u0027s handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions. (CVE-2016-8638)\n\nThis issue was discovered by Patrick Uiterwijk (Red Hat) and Howard Johnson.",
        "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.",
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  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Howard Johnson"
          ]
        },
        {
          "names": [
            "Patrick Uiterwijk"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2016-8638",
      "cwe": {
        "id": "CWE-287",
        "name": "Improper Authentication"
      },
      "discovery_date": "2016-11-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1392829"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in ipsilon in the SAML2 provider\u0027s handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "ipsilon: DoS via logging out all open SAML2 sessions",
          "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": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2016-8638"
        },
        {
          "category": "external",
          "summary": "RHBZ#1392829",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1392829"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2016-8638",
          "url": "https://www.cve.org/CVERecord?id=CVE-2016-8638"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2016-8638",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-8638"
        }
      ],
      "release_date": "2016-11-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2016-11-21T11:22:07+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "7Server-7.3.Z:ipsilon-authform-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-authgssapi-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-authldap-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-base-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-client-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-filesystem-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-infosssd-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-persona-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-saml2-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-saml2-base-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-tools-ipa-0:1.0.0-13.el7_3.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2016:2809"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H",
            "version": "3.0"
          },
          "products": [
            "7Server-7.3.Z:ipsilon-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-0:1.0.0-13.el7_3.src",
            "7Server-7.3.Z:ipsilon-authform-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-authgssapi-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-authldap-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-base-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-client-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-filesystem-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-infosssd-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-persona-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-saml2-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-saml2-base-0:1.0.0-13.el7_3.noarch",
            "7Server-7.3.Z:ipsilon-tools-ipa-0:1.0.0-13.el7_3.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "ipsilon: DoS via logging out all open SAML2 sessions"
    }
  ]
}

cve-2016-8638

Vulnerability from cvelistv5

Published

2017-07-12 13:00

Modified

2024-08-06 02:27

Severity ?

Summary

A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability."

References

▼	URL	Tags
	https://ipsilon-project.org/release/2.1.0.html	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638	x_refsource_CONFIRM
	https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c	x_refsource_CONFIRM
	https://ipsilon-project.org/advisory/CVE-2016-8638.txt	x_refsource_CONFIRM
	http://www.securityfocus.com/bid/94439	vdb-entry, x_refsource_BID
	http://rhn.redhat.com/errata/RHSA-2016-2809.html	vendor-advisory, x_refsource_REDHAT

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T02:27:41.261Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://ipsilon-project.org/release/2.1.0.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://ipsilon-project.org/advisory/CVE-2016-8638.txt"
          },
          {
            "name": "94439",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/94439"
          },
          {
            "name": "RHSA-2016:2809",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2016-2809.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-11-20T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users.  This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a \"SAML2 multi-session vulnerability.\""
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-01-04T19:57:01",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://ipsilon-project.org/release/2.1.0.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://ipsilon-project.org/advisory/CVE-2016-8638.txt"
        },
        {
          "name": "94439",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94439"
        },
        {
          "name": "RHSA-2016:2809",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "http://rhn.redhat.com/errata/RHSA-2016-2809.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2016-8638",
    "datePublished": "2017-07-12T13:00:00",
    "dateReserved": "2016-10-12T00:00:00",
    "dateUpdated": "2024-08-06T02:27:41.261Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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