cnvd - cnvd-2019-05885

cnvd-2019-05885

Vulnerability from cnvd

Title: GnuTLS信息泄露漏洞

Description:

GnuTLS是一个免费的用于实现SSL、TLS和DTLS协议的安全通信库。

GnuTLS中处理RSA解密数据（PKCS#1 v1.5版本）验证的方法存在安全漏洞。攻击者可利用该漏洞提取明文信息或对连接实施降级攻击。

Severity: 低

Formal description:

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868

Impacted products

Name
Gnu Gnutls

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-16868",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16868"
    }
  },
  "description": "GnuTLS\u662f\u4e00\u4e2a\u514d\u8d39\u7684\u7528\u4e8e\u5b9e\u73b0SSL\u3001TLS\u548cDTLS\u534f\u8bae\u7684\u5b89\u5168\u901a\u4fe1\u5e93\u3002\n\nGnuTLS\u4e2d\u5904\u7406RSA\u89e3\u5bc6\u6570\u636e\uff08PKCS#1 v1.5\u7248\u672c\uff09\u9a8c\u8bc1\u7684\u65b9\u6cd5\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u53d6\u660e\u6587\u4fe1\u606f\u6216\u5bf9\u8fde\u63a5\u5b9e\u65bd\u964d\u7ea7\u653b\u51fb\u3002",
  "discovererName": "Sam Fowler",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-05885",
  "openTime": "2019-03-01",
  "products": {
    "product": "Gnu Gnutls"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868",
  "serverity": "\u4f4e",
  "submitTime": "2018-12-05",
  "title": "GnuTLS\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2018-16868 (GCVE-0-2018-16868)

Vulnerability from cvelistv5

Published

2018-12-03 14:00

Modified

2024-08-05 10:32

Severity ?

4.7 (Medium) - CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

CWE

CWE-203

Summary

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/106080	vdb-entry, x_refsource_BID
	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html	vendor-advisory, x_refsource_SUSE
	http://cat.eyalro.net/	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	[UNKNOWN]	gnutls	Version: n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T10:32:54.146Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "106080",
            "tags": [
              "vdb-entry",
              "x_refsource_BID",
              "x_transferred"
            ],
            "url": "http://www.securityfocus.com/bid/106080"
          },
          {
            "name": "openSUSE-SU-2019:1353",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html"
          },
          {
            "name": "openSUSE-SU-2019:1477",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://cat.eyalro.net/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "gnutls",
          "vendor": "[UNKNOWN]",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2018-11-30T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "NONE",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-203",
              "description": "CWE-203",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-04T18:00:57",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "106080",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/106080"
        },
        {
          "name": "openSUSE-SU-2019:1353",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html"
        },
        {
          "name": "openSUSE-SU-2019:1477",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://cat.eyalro.net/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-16868",
    "datePublished": "2018-12-03T14:00:00",
    "dateReserved": "2018-09-11T00:00:00",
    "dateUpdated": "2024-08-05T10:32:54.146Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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