Vulnerability-Lookup

FKIE_CVE-2015-2697

Vulnerability from fkie_nvd - Published: 2015-11-09 03:59 - Updated: 2026-06-17 00:24

Severity

Summary

The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial '\0' character in a long realm field within a TGS request.

References

URL	Tags
cve@mitre.org	http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252	Vendor Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html	Mailing List, Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html	Mailing List, Third Party Advisory
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html	Mailing List, Third Party Advisory
cve@mitre.org	http://www.debian.org/security/2015/dsa-3395	Third Party Advisory
cve@mitre.org	http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	Third Party Advisory
cve@mitre.org	http://www.securityfocus.com/bid/77581	Third Party Advisory, VDB Entry
cve@mitre.org	http://www.securitytracker.com/id/1034084	Third Party Advisory, VDB Entry
cve@mitre.org	http://www.ubuntu.com/usn/USN-2810-1	Third Party Advisory
cve@mitre.org	https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789	Patch, Third Party Advisory
cve@mitre.org	https://security.gentoo.org/glsa/201611-14	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.debian.org/security/2015/dsa-3395	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/77581	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://www.securitytracker.com/id/1034084	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://www.ubuntu.com/usn/USN-2810-1	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/201611-14	Third Party Advisory

Impacted products

Vendor	Product	Version
mit	kerberos_5	*
oracle	solaris	11.3
canonical	ubuntu_linux	12.04
canonical	ubuntu_linux	14.04
canonical	ubuntu_linux	15.04
canonical	ubuntu_linux	15.10
debian	debian_linux	7.0
debian	debian_linux	8.0
debian	debian_linux	9.0
opensuse	leap	42.1
opensuse	opensuse	13.1
opensuse	opensuse	13.2
suse	linux_enterprise_desktop	12
suse	linux_enterprise_server	12
suse	linux_enterprise_software_development_kit	12

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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              "matchCriteriaId": "A10BC294-9196-425F-9FB0-B1625465B47F",
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            },
            {
              "criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081",
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              "matchCriteriaId": "D2DF4815-B8CB-4AD3-B91D-2E09A8E318E9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:*",
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              "vulnerable": true
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              "vulnerable": true
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          ],
          "negate": false,
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The build_principal_va function in lib/krb5/krb/bld_princ.c in MIT Kerberos 5 (aka krb5) before 1.14 allows remote authenticated users to cause a denial of service (out-of-bounds read and KDC crash) via an initial \u0027\\0\u0027 character in a long realm field within a TGS request."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n build_principal_va en lib/krb5/krb/bld_princ.c en MIT Kerberos 5 (tambi\u00e9n conocido como krb5) en versiones anteriores a 1.14 permite a usuarios remotos autenticados provocar una denegaci\u00f3n de servicio (lectura fuera de rango y ca\u00edda de KDC) a trav\u00e9s de un car\u00e1cter inicial \u0027\\0\u0027 en un campo realm largo dentro de una solicitud TGS."
    }
  ],
  "id": "CVE-2015-2697",
  "lastModified": "2026-06-17T00:24:34.433",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2015-11-09T03:59:03.343",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252"
    },
    {
      "source": "cve@mitre.org",
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    },
    {
      "source": "cve@mitre.org",
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        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2015/dsa-3395"
    },
    {
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      "tags": [
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      ],
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"
    },
    {
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    },
    {
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      ],
      "url": "http://www.ubuntu.com/usn/USN-2810-1"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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    },
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    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.securityfocus.com/bid/77581"
    },
    {
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-125"
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      "source": "nvd@nist.gov",
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  ]
}

CVE-2015-2697 (GCVE-0-2015-2697)

Vulnerability from cvelistv5 – Published: 2015-11-09 02:00 – Updated: 2024-08-06 05:24

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

11 references

URL	Tags
https://github.com/krb5/krb5/commit/f0c094a1b745d…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/77581	vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://security.gentoo.org/glsa/201611-14	vendor-advisoryx_refsource_GENTOO
http://www.securitytracker.com/id/1034084	vdb-entryx_refsource_SECTRACK
http://www.oracle.com/technetwork/topics/security…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://krbdev.mit.edu/rt/Ticket/Display.html?id=8252	x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3395	vendor-advisoryx_refsource_DEBIAN
http://www.ubuntu.com/usn/USN-2810-1	vendor-advisoryx_refsource_UBUNTU

Date Public

2015-10-26 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-06T05:24:38.817Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
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            "url": "https://github.com/krb5/krb5/commit/f0c094a1b745d91ef2f9a4eae2149aac026a5789"
          },
          {
            "name": "77581",
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              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
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            "url": "http://www.securityfocus.com/bid/77581"
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        "title": "CVE Program Container"
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          "versions": [
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        }
      ],
      "problemTypes": [
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        },
        {
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          "url": "http://www.securityfocus.com/bid/77581"
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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

FKIE_CVE-2015-2697

CVE-2015-2697 (GCVE-0-2015-2697)

Tags

Sightings

Nomenclature

Related by attack behaviour