cnvd-2021-28785
Vulnerability from cnvd
Title
oddjob路径遍历漏洞
Description
oddjob是一款用于D-Bus的具有公共网关接口功能的软件包。 oddjob 0.34.5之前版本和0.34.6之前版本中的mkhomedir工具存在路径遍历漏洞，该漏洞源于在创建home目录期间，mkhomedir将/etc/skel目录复制到新创建的home目录中，并在没有正确检查homedir路径的情况下将其所有权更改为home用户。攻击者可借助特制的符号链接利用该漏洞提升权限。
Severity
低
Patch Name
oddjob路径遍历漏洞的补丁
Patch Description
oddjob是一款用于D-Bus的具有公共网关接口功能的软件包。 oddjob 0.34.5之前版本和0.34.6之前版本中的mkhomedir工具存在路径遍历漏洞，该漏洞源于在创建home目录期间，mkhomedir将/etc/skel目录复制到新创建的home目录中，并在没有正确检查homedir路径的情况下将其所有权更改为home用户。攻击者可借助特制的符号链接利用该漏洞提升权限。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://pagure.io/oddjob/c/10b8aaa1564b723a005b53acc069df71313f4cac?branch

Reference
https://access.redhat.com/security/cve/cve-2020-10737
Impacted products
Name
['oddjob oddjob <0.34.5', 'oddjob oddjob <0.34.6']
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-10737"
    }
  },
  "description": "oddjob\u662f\u4e00\u6b3e\u7528\u4e8eD-Bus\u7684\u5177\u6709\u516c\u5171\u7f51\u5173\u63a5\u53e3\u529f\u80fd\u7684\u8f6f\u4ef6\u5305\u3002\n\noddjob 0.34.5\u4e4b\u524d\u7248\u672c\u548c0.34.6\u4e4b\u524d\u7248\u672c\u4e2d\u7684mkhomedir\u5de5\u5177\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u521b\u5efahome\u76ee\u5f55\u671f\u95f4\uff0cmkhomedir\u5c06/etc/skel\u76ee\u5f55\u590d\u5236\u5230\u65b0\u521b\u5efa\u7684home\u76ee\u5f55\u4e2d\uff0c\u5e76\u5728\u6ca1\u6709\u6b63\u786e\u68c0\u67e5homedir\u8def\u5f84\u7684\u60c5\u51b5\u4e0b\u5c06\u5176\u6240\u6709\u6743\u66f4\u6539\u4e3ahome\u7528\u6237\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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://pagure.io/oddjob/c/10b8aaa1564b723a005b53acc069df71313f4cac?branch",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-28785",
  "openTime": "2021-04-16",
  "patchDescription": "oddjob\u662f\u4e00\u6b3e\u7528\u4e8eD-Bus\u7684\u5177\u6709\u516c\u5171\u7f51\u5173\u63a5\u53e3\u529f\u80fd\u7684\u8f6f\u4ef6\u5305\u3002\r\n\r\noddjob 0.34.5\u4e4b\u524d\u7248\u672c\u548c0.34.6\u4e4b\u524d\u7248\u672c\u4e2d\u7684mkhomedir\u5de5\u5177\u5b58\u5728\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5728\u521b\u5efahome\u76ee\u5f55\u671f\u95f4\uff0cmkhomedir\u5c06/etc/skel\u76ee\u5f55\u590d\u5236\u5230\u65b0\u521b\u5efa\u7684home\u76ee\u5f55\u4e2d\uff0c\u5e76\u5728\u6ca1\u6709\u6b63\u786e\u68c0\u67e5homedir\u8def\u5f84\u7684\u60c5\u51b5\u4e0b\u5c06\u5176\u6240\u6709\u6743\u66f4\u6539\u4e3ahome\u7528\u6237\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u7b26\u53f7\u94fe\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u5347\u6743\u9650\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": "oddjob\u8def\u5f84\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "oddjob oddjob \u003c0.34.5",
      "oddjob oddjob \u003c0.34.6"
    ]
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2020-10737",
  "serverity": "\u4f4e",
  "submitTime": "2020-05-09",
  "title": "oddjob\u8def\u5f84\u904d\u5386\u6f0f\u6d1e"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.