Vulnerability-Lookup

CNVD-2020-61023

Vulnerability from cnvd - Published: 2020-11-07

Title

Mozilla Network Security Services代码问题漏洞

Description

Network Security Services（NSS）是一套用于跨平台开发且启用了安全功能的客户端和服务器应用的库，用NSS编译的应用可支持SSLv2、SSLv3、TLS等安全标准。NSS是美国Mozilla基金会的一个底层密码学库。该库支持多种加密算法，并且 Firefox 浏览器的TLS实现基于该库。 Mozilla NSS中存在安全漏洞。攻击者可以通过Mozilla NSS的CMS强制解除对空指针的引用，从而触发拒绝服务。

Severity

中

Patch Name

Mozilla Network Security Services代码问题漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.42.1_release_notes

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-18508

Impacted products

Name
Mozilla Network Security Services

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-18508",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-18508"
    }
  },
  "description": "Network Security Services\uff08NSS\uff09\u662f\u4e00\u5957\u7528\u4e8e\u8de8\u5e73\u53f0\u5f00\u53d1\u4e14\u542f\u7528\u4e86\u5b89\u5168\u529f\u80fd\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e94\u7528\u7684\u5e93\uff0c\u7528NSS\u7f16\u8bd1\u7684\u5e94\u7528\u53ef\u652f\u6301SSLv2\u3001SSLv3\u3001TLS\u7b49\u5b89\u5168\u6807\u51c6\u3002NSS\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u4e2a\u5e95\u5c42\u5bc6\u7801\u5b66\u5e93\u3002\u8be5\u5e93\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5e76\u4e14 Firefox \u6d4f\u89c8\u5668\u7684TLS\u5b9e\u73b0\u57fa\u4e8e\u8be5\u5e93\u3002\n\nMozilla NSS\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7Mozilla NSS\u7684CMS\u5f3a\u5236\u89e3\u9664\u5bf9\u7a7a\u6307\u9488\u7684\u5f15\u7528\uff0c\u4ece\u800c\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.42.1_release_notes",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-61023",
  "openTime": "2020-11-07",
  "patchDescription": "Network Security Services\uff08NSS\uff09\u662f\u4e00\u5957\u7528\u4e8e\u8de8\u5e73\u53f0\u5f00\u53d1\u4e14\u542f\u7528\u4e86\u5b89\u5168\u529f\u80fd\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u5e94\u7528\u7684\u5e93\uff0c\u7528NSS\u7f16\u8bd1\u7684\u5e94\u7528\u53ef\u652f\u6301SSLv2\u3001SSLv3\u3001TLS\u7b49\u5b89\u5168\u6807\u51c6\u3002NSS\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u4e2a\u5e95\u5c42\u5bc6\u7801\u5b66\u5e93\u3002\u8be5\u5e93\u652f\u6301\u591a\u79cd\u52a0\u5bc6\u7b97\u6cd5\uff0c\u5e76\u4e14 Firefox \u6d4f\u89c8\u5668\u7684TLS\u5b9e\u73b0\u57fa\u4e8e\u8be5\u5e93\u3002\r\n\r\nMozilla NSS\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7Mozilla NSS\u7684CMS\u5f3a\u5236\u89e3\u9664\u5bf9\u7a7a\u6307\u9488\u7684\u5f15\u7528\uff0c\u4ece\u800c\u89e6\u53d1\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mozilla Network Security Services\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Mozilla Network Security Services"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-18508",
  "serverity": "\u4e2d",
  "submitTime": "2020-11-04",
  "title": "Mozilla Network Security Services\u4ee3\u7801\u95ee\u9898\u6f0f\u6d1e"
}

CVE-2018-18508 (GCVE-0-2018-18508)

Vulnerability from cvelistv5 – Published: 2020-10-22 20:14 – Updated: 2024-08-05 11:08

Summary

In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service.

Severity

No CVSS data available.

CWE

Denial of Service through malformed signatures

Assigner

mozilla mitre root

References

4 references

URL	Tags
https://developer.mozilla.org/en-US/docs/Mozilla/…	x_refsource_MISC
https://developer.mozilla.org/en-US/docs/Mozilla/…	x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_CONFIRM
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Mozilla	NSS	Affected: unspecified , < 3.41.1 (custom) Affected: unspecified , < 3.36.7 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T11:08:22.039Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "NSS",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "3.41.1",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "3.36.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service through malformed signatures",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-12T05:57:40.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2018-18508",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "NSS",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.41.1"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "3.36.7"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Mozilla"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In Network Security Services (NSS) before 3.36.7 and before 3.41.1, a malformed signature can cause a crash due to a null dereference, resulting in a Denial of Service."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service through malformed signatures"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes",
              "refsource": "MISC",
              "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.36.7_release_notes"
            },
            {
              "name": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes",
              "refsource": "MISC",
              "url": "https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.41.1_release_notes"
            },
            {
              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2018-18508",
    "datePublished": "2020-10-22T20:14:42.000Z",
    "dateReserved": "2018-10-19T00:00:00.000Z",
    "dateUpdated": "2024-08-05T11:08:22.039Z",
    "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.