Vulnerability-Lookup

RHSA-2018:0666

Vulnerability from csaf_opensuse - Published: 2018-04-10 00:00 - Updated: 2026-09-20 11:00

Summary

security update for krb5

Severity

Moderate

Notes

Title of the patch: security update for krb5

Description of the patch: This security update provides a functional equivalent of RHSA-2018:0666. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2018:0666.

Patchnames: RHSA-2018:0666

CVE-2017-11368

6.5 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 10 products

Product	Version	Remediation
Unresolved product id: SUSE Liberty Linux 7:krb5-devel-0:1.15.1-18.el7.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-devel-0:1.15.1-18.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-libs-0:1.15.1-18.el7.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-libs-0:1.15.1-18.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-pkinit-0:1.15.1-18.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-server-0:1.15.1-18.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-server-ldap-0:1.15.1-18.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:krb5-workstation-0:1.15.1-18.el7.x86_64	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:libkadm5-0:1.15.1-18.el7.i686	—	Vendor Fix
Unresolved product id: SUSE Liberty Linux 7:libkadm5-0:1.15.1-18.el7.x86_64	—	Vendor Fix

Threats

Impact moderate

CVE-2017-7562

6.5 (Medium)


                
                  CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

Recommended 10 products, the same list as for CVE-2017-11368

Threats

Impact moderate

References

9 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/r…	self
https://www.suse.com/security/cve/CVE-2017-11368/	self
https://www.suse.com/security/cve/CVE-2017-7562/	self
https://www.suse.com/security/cve/CVE-2017-11368	external
https://bugzilla.suse.com/1049819	external
https://www.suse.com/security/cve/CVE-2017-7562	external
https://bugzilla.suse.com/1055851	external
https://bugzilla.suse.com/1056995	external

JSON

To clipboard

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  "vulnerabilities": [
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      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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      "scores": [
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      "threats": [
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          "details": "moderate"
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      "title": "CVE-2017-11368"
    },
    {
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          "text": "An authentication bypass flaw was found in the way krb5\u0027s certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.",
          "title": "CVE description"
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        {
          "category": "external",
          "summary": "CVE-2017-7562",
          "url": "https://www.suse.com/security/cve/CVE-2017-7562"
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        {
          "category": "external",
          "summary": "SUSE Bug 1055851 for CVE-2017-7562",
          "url": "https://bugzilla.suse.com/1055851"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1056995 for CVE-2017-7562",
          "url": "https://bugzilla.suse.com/1056995"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 7:krb5-devel-0:1.15.1-18.el7.i686",
            "SUSE Liberty Linux 7:krb5-devel-0:1.15.1-18.el7.x86_64",
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            "SUSE Liberty Linux 7:krb5-server-0:1.15.1-18.el7.x86_64",
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          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.0"
          },
          "products": [
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            "SUSE Liberty Linux 7:krb5-devel-0:1.15.1-18.el7.x86_64",
            "SUSE Liberty Linux 7:krb5-libs-0:1.15.1-18.el7.i686",
            "SUSE Liberty Linux 7:krb5-libs-0:1.15.1-18.el7.x86_64",
            "SUSE Liberty Linux 7:krb5-pkinit-0:1.15.1-18.el7.x86_64",
            "SUSE Liberty Linux 7:krb5-server-0:1.15.1-18.el7.x86_64",
            "SUSE Liberty Linux 7:krb5-server-ldap-0:1.15.1-18.el7.x86_64",
            "SUSE Liberty Linux 7:krb5-workstation-0:1.15.1-18.el7.x86_64",
            "SUSE Liberty Linux 7:libkadm5-0:1.15.1-18.el7.i686",
            "SUSE Liberty Linux 7:libkadm5-0:1.15.1-18.el7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-04-10T00:00:00Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2017-7562"
    }
  ]
}

CVE-2017-11368 (GCVE-0-2017-11368)

Vulnerability from cvelistv5 – Published: 2017-08-09 18:00 – Updated: 2024-08-05 18:05

Summary

In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/krb5/krb5/commit/ffb35baac6981…	x_refsource_CONFIRM
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://access.redhat.com/errata/RHSA-2018:0666	vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/100291	vdb-entryx_refsource_BID
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

Date Public

2017-07-13 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2017-7562 (GCVE-0-2017-7562)

Vulnerability from cvelistv5 – Published: 2018-07-26 15:00 – Updated: 2024-08-05 16:04

Summary

An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.

Severity

6.5 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CWE

Assigner

redhat redhat root

References

7 references

URL	Tags
https://github.com/krb5/krb5/pull/694/commits/50f…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/100511	vdb-entryx_refsource_BID
https://github.com/krb5/krb5/pull/694/commits/1de…	x_refsource_CONFIRM
https://github.com/krb5/krb5/pull/694	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:0666	vendor-advisoryx_refsource_REDHAT
https://github.com/krb5/krb5/pull/694/commits/b7a…	x_refsource_CONFIRM
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
MIT	krb5	Affected: 1.16.1

Date Public

2017-08-25 00:00

Show details on NVD website

JSON

To clipboard

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

RHSA-2018:0666

CVE-2017-11368 (GCVE-0-2017-11368)

CVE-2017-7562 (GCVE-0-2017-7562)

Tags

Sightings

Nomenclature

Related by attack behaviour