cnvd - cnvd-2018-04659

cnvd-2018-04659

Vulnerability from cnvd

Title: Novell libzypp安全绕过漏洞

Description:

libzypp（又名ZYPP）是美国Novell公司资助的一套开源的可管理引擎、驱动（例如：Linux应用程序YaST、Zypper）的工具。

libzypp中存在安全漏洞。攻击者可利用该漏洞绕过安全限制，执行未授权的操作。

Severity: 中

Patch Name: Novell libzypp安全绕过漏洞的补丁

Patch Description:

libzypp（又名ZYPP）是美国Novell公司资助的一套开源的可管理引擎、驱动（例如：Linux应用程序YaST、Zypper）的工具。

libzypp中存在安全漏洞。攻击者可利用该漏洞绕过安全限制，执行未授权的操作。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://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html

Reference: https://bugzilla.suse.com/show_bug.cgi?id=1045735 https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html https://www.suse.com/de-de/security/cve/CVE-2017-9269/

Impacted products

Name
Novell Libzypp <201808

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9269"
    }
  },
  "description": "libzypp\uff08\u53c8\u540dZYPP\uff09\u662f\u7f8e\u56fdNovell\u516c\u53f8\u8d44\u52a9\u7684\u4e00\u5957\u5f00\u6e90\u7684\u53ef\u7ba1\u7406\u5f15\u64ce\u3001\u9a71\u52a8\uff08\u4f8b\u5982\uff1aLinux\u5e94\u7528\u7a0b\u5e8fYaST\u3001Zypper\uff09\u7684\u5de5\u5177\u3002\r\n\r\nlibzypp\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Novell",
  "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://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04659",
  "openTime": "2018-03-08",
  "patchDescription": "libzypp\uff08\u53c8\u540dZYPP\uff09\u662f\u7f8e\u56fdNovell\u516c\u53f8\u8d44\u52a9\u7684\u4e00\u5957\u5f00\u6e90\u7684\u53ef\u7ba1\u7406\u5f15\u64ce\u3001\u9a71\u52a8\uff08\u4f8b\u5982\uff1aLinux\u5e94\u7528\u7a0b\u5e8fYaST\u3001Zypper\uff09\u7684\u5de5\u5177\u3002\r\n\r\nlibzypp\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\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": "Novell libzypp\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Novell Libzypp \u003c201808"
  },
  "referenceLink": "https://bugzilla.suse.com/show_bug.cgi?id=1045735\r\nhttps://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html\r\nhttps://www.suse.com/de-de/security/cve/CVE-2017-9269/",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-05",
  "title": "Novell libzypp\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-9269 (GCVE-0-2017-9269)

Vulnerability from cvelistv5

Published

2018-03-01 19:00

Modified

2024-09-17 00:36

Severity ?

7.7 (High) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

CWE

Malicious mirrors could downgrade repositories from trusted signed repositories to unsigned malicious repositories.
CWE-757

Summary

In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content.

References

▼	URL	Tags
	https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html	vendor-advisory, x_refsource_SUSE
	https://bugzilla.suse.com/show_bug.cgi?id=1045735	x_refsource_CONFIRM
	https://www.suse.com/de-de/security/cve/CVE-2017-9269/	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	SUSE	libzypp	Version: unspecified < 201808

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T17:02:43.805Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "SUSE-SU-2017:2040",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.suse.com/de-de/security/cve/CVE-2017-9269/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "libzypp",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "201808",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Moritz Duge and Till Doerges from PRESENSE"
        }
      ],
      "datePublic": "2017-08-03T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In libzypp before August 2018 GPG keys attached to YUM repositories were not correctly pinned, allowing malicious repository mirrors to silently downgrade to unsigned repositories with potential malicious content."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.7,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Malicious mirrors could downgrade repositories from trusted signed repositories to unsigned malicious repositories.",
              "lang": "en",
              "type": "text"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-757",
              "description": "CWE-757",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-01-06T16:15:46",
        "orgId": "f81092c5-7f14-476d-80dc-24857f90be84",
        "shortName": "microfocus"
      },
      "references": [
        {
          "name": "SUSE-SU-2017:2040",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
        },
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          ],
          "url": "https://www.suse.com/de-de/security/cve/CVE-2017-9269/"
        }
      ],
      "source": {
        "defect": [
          "https://bugzilla.suse.com/show_bug.cgi?id=1045735"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "lack of keypinning in libzypp could lead to repository switching",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@microfocus.com",
          "DATE_PUBLIC": "2017-08-03T00:00:00.000Z",
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          "STATE": "PUBLIC",
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        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "libzypp",
                      "version": {
                        "version_data": [
                          {
                            "affected": "\u003c",
                            "version_affected": "\u003c",
                            "version_value": "201808"
                          }
                        ]
                      }
                    }
                  ]
                },
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                  "lang": "eng",
                  "value": "Malicious mirrors could downgrade repositories from trusted signed repositories to unsigned malicious repositories."
                }
              ]
            },
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-757"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "SUSE-SU-2017:2040",
              "refsource": "SUSE",
              "url": "https://lists.opensuse.org/opensuse-security-announce/2017-08/msg00002.html"
            },
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              "refsource": "CONFIRM",
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    "state": "PUBLISHED"
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  "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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