cnvd - cnvd-2019-19472

cnvd-2019-19472

Vulnerability from cnvd

Title: dbus身份验证绕过漏洞

Description:

D-Bus是一种进程间通信机制，它由freedesktop.org项目提供，使用GPL许可证发行。

Ubuntu中的dbus 1.10.28之前版本，1.12.16之前的1.12.x版本和1.13.12之前的1.13.x版本存在身份验证绕过漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。攻击者可以利用此问题绕过身份验证机制并执行未经授权的操作。

Severity: 低

Patch Name: dbus身份验证绕过漏洞的补丁

Patch Description:

D-Bus是一种进程间通信机制，它由freedesktop.org项目提供，使用GPL许可证发行。

Ubuntu中的dbus存在身份验证绕过漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。攻击者可以利用此问题绕过身份验证机制并执行未经授权的操作。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

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://gitlab.freedesktop.org/dbus/dbus/commit/47b1a4c41004bf494b87370987b222c934b19016

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-12749

Impacted products

Name
['Freedesktop Dbus 1.13.10', 'Freedesktop Dbus 1.13', 'Freedesktop Dbus 1.12.14', 'Freedesktop Dbus 1.12', 'Freedesktop Dbus 1.10.26']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-12749"
    }
  },
  "description": "D-Bus\u662f\u4e00\u79cd\u8fdb\u7a0b\u95f4\u901a\u4fe1\u673a\u5236\uff0c\u5b83\u7531freedesktop.org\u9879\u76ee\u63d0\u4f9b\uff0c\u4f7f\u7528GPL\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\n\nUbuntu\u4e2d\u7684dbus 1.10.28\u4e4b\u524d\u7248\u672c\uff0c1.12.16\u4e4b\u524d\u76841.12.x\u7248\u672c\u548c1.13.12\u4e4b\u524d\u76841.13.x\u7248\u672c\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u4e2d\u7f3a\u5c11\u8eab\u4efd\u9a8c\u8bc1\u63aa\u65bd\u6216\u8eab\u4efd\u9a8c\u8bc1\u5f3a\u5ea6\u4e0d\u8db3\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u95ee\u9898\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u5e76\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Joe Vennix from Apple Information Security",
  "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://gitlab.freedesktop.org/dbus/dbus/commit/47b1a4c41004bf494b87370987b222c934b19016",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-19472",
  "openTime": "2019-06-27",
  "patchDescription": "D-Bus\u662f\u4e00\u79cd\u8fdb\u7a0b\u95f4\u901a\u4fe1\u673a\u5236\uff0c\u5b83\u7531freedesktop.org\u9879\u76ee\u63d0\u4f9b\uff0c\u4f7f\u7528GPL\u8bb8\u53ef\u8bc1\u53d1\u884c\u3002\r\n\r\nUbuntu\u4e2d\u7684dbus\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u4e2d\u7f3a\u5c11\u8eab\u4efd\u9a8c\u8bc1\u63aa\u65bd\u6216\u8eab\u4efd\u9a8c\u8bc1\u5f3a\u5ea6\u4e0d\u8db3\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u95ee\u9898\u7ed5\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u673a\u5236\u5e76\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\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": "dbus\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Freedesktop Dbus 1.13.10",
      "Freedesktop Dbus 1.13",
      "Freedesktop Dbus 1.12.14",
      "Freedesktop Dbus 1.12",
      "Freedesktop Dbus 1.10.26"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-12749",
  "serverity": "\u4f4e",
  "submitTime": "2019-06-14",
  "title": "dbus\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2019-12749 (GCVE-0-2019-12749)

Vulnerability from cvelistv5

Published

2019-06-11 16:11

Modified

2024-12-06 13:09

Severity ?

CWE

Summary

dbus before 1.10.28, 1.12.x before 1.12.16, and 1.13.x before 1.13.12, as used in DBusServer in Canonical Upstart in Ubuntu 14.04 (and in some, less common, uses of dbus-daemon), allows cookie spoofing because of symlink mishandling in the reference implementation of DBUS_COOKIE_SHA1 in the libdbus library. (This only affects the DBUS_COOKIE_SHA1 authentication mechanism.) A malicious client with write access to its own home directory could manipulate a ~/.dbus-keyrings symlink to cause a DBusServer with a different uid to read and write in unintended locations. In the worst case, this could result in the DBusServer reusing a cookie that is known to the malicious client, and treating that cookie as evidence that a subsequent client connection came from an attacker-chosen uid, allowing authentication bypass.

References

▼	URL	Tags
	https://www.openwall.com/lists/oss-security/2019/06/11/2	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2019/06/11/2	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4015-1/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4015-2/	vendor-advisory, x_refsource_UBUNTU
	https://www.debian.org/security/2019/dsa-4462	vendor-advisory, x_refsource_DEBIAN
	https://seclists.org/bugtraq/2019/Jun/16	mailing-list, x_refsource_BUGTRAQ
	http://www.securityfocus.com/bid/108751	vdb-entry, x_refsource_BID
	https://lists.debian.org/debian-lts-announce/2019/06/msg00005.html	mailing-list, x_refsource_MLIST
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2CQF37O73VH2JDVX2ILX2KD2KLXLQOU/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00059.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00092.html	vendor-advisory, x_refsource_SUSE
	https://access.redhat.com/errata/RHSA-2019:1726	vendor-advisory, x_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00026.html	vendor-advisory, x_refsource_SUSE
	https://security.gentoo.org/glsa/201909-08	vendor-advisory, x_refsource_GENTOO
	https://access.redhat.com/errata/RHSA-2019:2868	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:2870	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:3707	vendor-advisory, x_refsource_REDHAT

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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              "name": "DSA-4462",
              "refsource": "DEBIAN",
              "url": "https://www.debian.org/security/2019/dsa-4462"
            },
            {
              "name": "20190613 [SECURITY] [DSA 4462-1] dbus security update",
              "refsource": "BUGTRAQ",
              "url": "https://seclists.org/bugtraq/2019/Jun/16"
            },
            {
              "name": "108751",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/108751"
            },
            {
              "name": "[debian-lts-announce] 20190614 [SECURITY] [DLA 1818-1] dbus security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00005.html"
            },
            {
              "name": "FEDORA-2019-d5ded5326b",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V2CQF37O73VH2JDVX2ILX2KD2KLXLQOU/"
            },
            {
              "name": "openSUSE-SU-2019:1604",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00059.html"
            },
            {
              "name": "openSUSE-SU-2019:1671",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00092.html"
            },
            {
              "name": "RHSA-2019:1726",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:1726"
            },
            {
              "name": "openSUSE-SU-2019:1750",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00026.html"
            },
            {
              "name": "GLSA-201909-08",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201909-08"
            },
            {
              "name": "RHSA-2019:2868",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:2868"
            },
            {
              "name": "RHSA-2019:2870",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:2870"
            },
            {
              "name": "RHSA-2019:3707",
              "refsource": "REDHAT",
              "url": "https://access.redhat.com/errata/RHSA-2019:3707"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-12749",
    "datePublished": "2019-06-11T16:11:45",
    "dateReserved": "2019-06-06T00:00:00",
    "dateUpdated": "2024-12-06T13:09:22.768Z",
    "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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