CVE-2018-0739 (GCVE-0-2018-0739)

Vulnerability from cvelistv5 – Published: 2018-03-27 21:00 – Updated: 2024-09-16 22:35
VLAI
Title
Constructed ASN.1 types with a recursive definition could exceed the stack
Summary
Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n).
Severity
No CVSS data available.
CWE
  • Stack overflow
Assigner
openssl CNA under the mitre root
CNA scorecard B 78/100 over 43 records in the last 180 days details
References
URL Tags
https://usn.ubuntu.com/3611-2/ vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4158 vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201811-21 vendor-advisoryx_refsource_GENTOO
https://access.redhat.com/errata/RHSA-2019:0367 vendor-advisoryx_refsource_REDHAT
https://www.debian.org/security/2018/dsa-4157 vendor-advisoryx_refsource_DEBIAN
https://access.redhat.com/errata/RHSA-2018:3505 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/103518 vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1040576 vdb-entryx_refsource_SECTRACK
https://access.redhat.com/errata/RHSA-2018:3221 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/105609 vdb-entryx_refsource_BID
https://usn.ubuntu.com/3611-1/ vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018… mailing-listx_refsource_MLIST
https://access.redhat.com/errata/RHSA-2019:0366 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2018:3090 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1711 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2019:1712 vendor-advisoryx_refsource_REDHAT
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
http://www.oracle.com/technetwork/security-adviso… x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis… x_refsource_CONFIRM
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://www.oracle.com/technetwork/security-advis… x_refsource_MISC
https://security.netapp.com/advisory/ntap-2018072… x_refsource_CONFIRM
https://security.gentoo.org/glsa/202007-53 vendor-advisoryx_refsource_GENTOO
https://securityadvisories.paloaltonetworks.com/H… x_refsource_CONFIRM
https://www.oracle.com//security-alerts/cpujul2021.html x_refsource_MISC
https://www.tenable.com/security/tns-2018-07 x_refsource_CONFIRM
https://www.tenable.com/security/tns-2018-04 x_refsource_CONFIRM
https://nodejs.org/en/blog/vulnerability/march-20… x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba… x_refsource_CONFIRM
https://git.openssl.org/gitweb/?p=openssl.git%3Ba… x_refsource_CONFIRM
https://www.tenable.com/security/tns-2018-06 x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2018033… x_refsource_CONFIRM
https://www.openssl.org/news/secadv/20180327.txt x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
OpenSSL OpenSSL Affected: Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g)
Affected: Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n)
guessed Create a notification for this product.
Date Public
2018-03-27 00:00
Credits
OSS-fuzz
Show details on NVD website
To clipboard 

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  "cveMetadata": {
    "assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
    "assignerShortName": "openssl",
    "cveId": "CVE-2018-0739",
    "datePublished": "2018-03-27T21:00:00.000Z",
    "dateReserved": "2017-11-30T00:00:00.000Z",
    "dateUpdated": "2024-09-16T22:35:29.998Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2018-0739",
      "date": "2026-10-14",
      "epss": "0.18596",
      "percentile": "0.97219"
    },
    "fkie_nvd": {
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                  "matchCriteriaId": "FFF63A06-9A8B-4280-A52D-4280136908CB",
                  "versionEndIncluding": "1.0.2n",
                  "versionStartIncluding": "1.0.2b",
                  "vulnerable": true
                },
                {
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                  "matchCriteriaId": "322768B5-2E14-40B9-A784-8981F4376E13",
                  "versionEndIncluding": "1.1.0g",
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              ],
              "negate": false,
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            }
          ]
        },
        {
          "nodes": [
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                  "vulnerable": true
                },
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                  "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
                  "vulnerable": true
                },
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                  "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886",
                  "vulnerable": true
                },
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                  "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
                  "vulnerable": true
                },
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                  "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                  "vulnerable": true
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              ],
              "negate": false,
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          ]
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n)."
        },
        {
          "lang": "es",
          "value": "Los tipos constructed ASN.1 con una definici\u00f3n recursiva (como la que podemos encontrar en PKCS7) podr\u00edan acabar excediendo la pila debido a entradas maliciosas con recursi\u00f3n excesiva. Esto podr\u00eda dar como resultado un ataque de denegaci\u00f3n de servicio (DoS). No hay estructuras de este tipo empleadas en SSL/TLS que provengan de fuentes no fiables, por lo que se consideran seguras. Solucionado en OpenSSL 1.1.0h (versiones 1.1.0-1.1.0g afectadas). Solucionado en OpenSSL 1.0.2o (versiones 1.0.2b-1.0.2n afectadas)."
        }
      ],
      "id": "CVE-2018-0739",
      "lastModified": "2024-11-21T03:38:50.910",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "MEDIUM",
              "accessVector": "NETWORK",
              "authentication": "NONE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 4.3,
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 8.6,
            "impactScore": 2.9,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "nvd@nist.gov",
            "type": "Primary",
            "userInteractionRequired": true
          }
        ],
        "cvssMetricV30": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
              "version": "3.0"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 3.6,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2018-03-27T21:29:00.673",
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          "url": "https://www.tenable.com/security/tns-2018-07"
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      ],
      "sourceIdentifier": "openssl-security@openssl.org",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-674"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "matchCriteriaId": "FFF63A06-9A8B-4280-A52D-4280136908CB",
                    "versionEndIncluding": "1.0.2n",
                    "versionStartIncluding": "1.0.2b",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "322768B5-2E14-40B9-A784-8981F4376E13",
                    "versionEndIncluding": "1.1.0g",
                    "versionStartIncluding": "1.1.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
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                    "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*",
                    "matchCriteriaId": "9070C9D8-A14A-467F-8253-33B966C16886",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Constructed ASN.1 types with a recursive definition (such as can be found in PKCS7) could eventually exceed the stack given malicious input with excessive recursion. This could result in a Denial Of Service attack. There are no such structures used within SSL/TLS that come from untrusted sources so this is considered safe. Fixed in OpenSSL 1.1.0h (Affected 1.1.0-1.1.0g). Fixed in OpenSSL 1.0.2o (Affected 1.0.2b-1.0.2n)."
          },
          {
            "lang": "es",
            "value": "Los tipos constructed ASN.1 con una definici\u00f3n recursiva (como la que podemos encontrar en PKCS7) podr\u00edan acabar excediendo la pila debido a entradas maliciosas con recursi\u00f3n excesiva. Esto podr\u00eda dar como resultado un ataque de denegaci\u00f3n de servicio (DoS). No hay estructuras de este tipo empleadas en SSL/TLS que provengan de fuentes no fiables, por lo que se consideran seguras. Solucionado en OpenSSL 1.1.0h (versiones 1.1.0-1.1.0g afectadas). Solucionado en OpenSSL 1.0.2o (versiones 1.0.2b-1.0.2n afectadas)."
          }
        ],
        "id": "CVE-2018-0739",
        "lastModified": "2024-11-21T03:38:50.910",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2018-03-27T21:29:00.673",
        "references": [
          {
            "source": "openssl-security@openssl.org",
            "tags": [
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            ],
            "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html"
          },
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            "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
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            "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html"
          },
          {
            "source": "openssl-security@openssl.org",
            "tags": [
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            "url": "http://www.securityfocus.com/bid/103518"
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            "url": "http://www.securitytracker.com/id/1040576"
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          {
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            "url": "https://access.redhat.com/errata/RHSA-2018:3090"
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            "url": "https://access.redhat.com/errata/RHSA-2018:3221"
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          {
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          {
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            "url": "https://access.redhat.com/errata/RHSA-2018:3505"
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          },
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          },
          {
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            "url": "https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html"
          },
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            "url": "https://www.tenable.com/security/tns-2018-07"
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        ],
        "sourceIdentifier": "openssl-security@openssl.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
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              {
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                "value": "CWE-674"
              }
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            "source": "nvd@nist.gov",
            "type": "Primary"
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        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-21T05:35:44+00:00",
      "cve": "CVE-2018-0739",
      "id": "CVE-2018-0739",
      "initial_release_date": "2018-03-27T00:00:00+00:00",
      "product_status:fixed": "314",
      "product_status:known_affected": "15",
      "product_status:known_not_affected": "6",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "openssl: Handling of crafted recursive ASN.1 structures can cause a stack overflow and resulting denial of service",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-0739.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T00:57:24Z",
      "cve": "CVE-2018-0739",
      "id": "CVE-2018-0739",
      "initial_release_date": "2023-02-15T04:34:44Z",
      "product_status:known_affected": "356",
      "product_status:known_not_affected": "500",
      "product_status:recommended": "946",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2018-0739",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2018-0739.json",
      "version": "55"
    }
  }
}



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Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

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    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.