Vulnerability-Lookup

OESA-2021-1031 (CVE-2019-13456)

Vulnerability from osv_openeuler – Published: 2021-02-05 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

freeradius security update

Details

Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA or Triple A) management for users who connect and use a network service.\r\n\r\n Security Fix(es):\r\n\r\n In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that an attacker can use to recover the password of any user. This information leakage is similar to the "Dragonblood" attack and CVE-2019-9494.(CVE-2019-13456)\r\n\r\n In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-Service (DoS) attack.(CVE-2019-17185)\r\n\r\n

Severity

7.5 (High)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

URL

Type

	https://openeuler.org/en/security/safety-bulletin…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2019-13456	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2019-17185	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "freeradius-3.0.15-21.oe1.aarch64.rpm",
          "freeradius-debuginfo-3.0.15-21.oe1.aarch64.rpm",
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          "freeradius-help-3.0.15-21.oe1.aarch64.rpm",
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          "freeradius-sqlite-3.0.15-21.oe1.aarch64.rpm",
          "freeradius-utils-3.0.15-21.oe1.aarch64.rpm",
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        "name": "freeradius",
        "purl": "pkg:rpm/openEuler/freeradius\u0026distro=openEuler-20.03-LTS"
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      "ranges": [
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            {
              "introduced": "0"
            },
            {
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          ],
          "type": "ECOSYSTEM"
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  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA or Triple A) management for users who connect and use a network service.\\r\\n\\r\\n\r\nSecurity Fix(es):\\r\\n\\r\\n\r\nIn FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that an attacker can use to recover the password of any user. This information leakage is similar to the \"Dragonblood\" attack and CVE-2019-9494.(CVE-2019-13456)\\r\\n\\r\\n\nIn FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-Service (DoS) attack.(CVE-2019-17185)\\r\\n\\r\\n",
  "id": "OESA-2021-1031",
  "modified": "2026-08-06T11:04:15Z",
  "published": "2021-02-05T11:04:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1031"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-13456"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-17185"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "freeradius security update",
  "upstream": [
    "CVE-2019-13456",
    "CVE-2019-17185"
  ]
}

CVE-2019-13456 (GCVE-0-2019-13456)

Vulnerability from cvelistv5 – Published: 2019-12-03 19:53 – Updated: 2024-08-04 23:49

Summary

In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password element cannot be found within 10 iterations of the hunting and pecking loop. This leaks information that an attacker can use to recover the password of any user. This information leakage is similar to the "Dragonblood" attack and CVE-2019-9494.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://freeradius.org/security/	x_refsource_MISC
https://wpa3.mathyvanhoef.com	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1737663	x_refsource_MISC
https://github.com/FreeRADIUS/freeradius-server/c…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

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CVE-2019-17185 (GCVE-0-2019-17185)

Vulnerability from cvelistv5 – Published: 2020-03-21 00:13 – Updated: 2024-08-05 01:33

Summary

In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all handshakes. This mean multiple threads use the same BN_CTX instance concurrently, resulting in crashes when concurrent EAP-pwd handshakes are initiated. This can be abused by an adversary as a Denial-of-Service (DoS) attack.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://freeradius.org/security/	x_refsource_MISC
https://github.com/FreeRADIUS/freeradius-server/r…	x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Show details on NVD website

JSON

To clipboard

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        },
        "references": {
          "reference_data": [
            {
              "name": "https://freeradius.org/security/",
              "refsource": "MISC",
              "url": "https://freeradius.org/security/"
            },
            {
              "name": "https://github.com/FreeRADIUS/freeradius-server/releases/tag/release_3_0_20",
              "refsource": "CONFIRM",
              "url": "https://github.com/FreeRADIUS/freeradius-server/releases/tag/release_3_0_20"
            },
            {
              "name": "openSUSE-SU-2020:0553",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00039.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-17185",
    "datePublished": "2020-03-21T00:13:05.000Z",
    "dateReserved": "2019-10-04T00:00:00.000Z",
    "dateUpdated": "2024-08-05T01:33:17.262Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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

OESA-2021-1031 (CVE-2019-13456)

CVE-2019-13456 (GCVE-0-2019-13456)

CVE-2019-17185 (GCVE-0-2019-17185)

Tags

Sightings

Nomenclature

Related by attack behaviour