cnvd - cnvd-2017-30343

cnvd-2017-30343

Vulnerability from cnvd

Title: Sudo sudoers插件设计漏洞

Description:

Sudo是软件开发者Todd C. Miller所研发的一套用于类Unix操作系统下并允许用户通过安全的方式使用特殊的权限执行命令的程序。sudoers plugin是其中的一个Sudo配置插件。

Sudo 1.8.7之后的版本中的sudoers插件的SHA-2 digest support存在设计漏洞。本地攻击者可利用该漏洞替换将被执行的命令。

Severity: 高

Patch Name: Sudo sudoers插件设计漏洞的补丁

Patch Description:

Sudo 1.8.7之后的版本中的sudoers插件的SHA-2 digest support存在设计漏洞。本地攻击者可利用该漏洞替换将被执行的命令。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://www.sudo.ws/

Reference: http://www.openwall.com/lists/oss-security/2015/11/18/22

Impacted products

Name
Sudo sudoers plugin >1.8.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8239"
    }
  },
  "description": "Sudo\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Todd C. Miller\u6240\u7814\u53d1\u7684\u4e00\u5957\u7528\u4e8e\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u4e0b\u5e76\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5b89\u5168\u7684\u65b9\u5f0f\u4f7f\u7528\u7279\u6b8a\u7684\u6743\u9650\u6267\u884c\u547d\u4ee4\u7684\u7a0b\u5e8f\u3002sudoers plugin\u662f\u5176\u4e2d\u7684\u4e00\u4e2aSudo\u914d\u7f6e\u63d2\u4ef6\u3002\r\n\r\nSudo 1.8.7\u4e4b\u540e\u7684\u7248\u672c\u4e2d\u7684sudoers\u63d2\u4ef6\u7684SHA-2 digest support\u5b58\u5728\u8bbe\u8ba1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66ff\u6362\u5c06\u88ab\u6267\u884c\u7684\u547d\u4ee4\u3002",
  "discovererName": "Adam Mari\u0161",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.sudo.ws/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-30343",
  "openTime": "2017-10-17",
  "patchDescription": "Sudo\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Todd C. Miller\u6240\u7814\u53d1\u7684\u4e00\u5957\u7528\u4e8e\u7c7bUnix\u64cd\u4f5c\u7cfb\u7edf\u4e0b\u5e76\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u5b89\u5168\u7684\u65b9\u5f0f\u4f7f\u7528\u7279\u6b8a\u7684\u6743\u9650\u6267\u884c\u547d\u4ee4\u7684\u7a0b\u5e8f\u3002sudoers plugin\u662f\u5176\u4e2d\u7684\u4e00\u4e2aSudo\u914d\u7f6e\u63d2\u4ef6\u3002\r\n\r\nSudo 1.8.7\u4e4b\u540e\u7684\u7248\u672c\u4e2d\u7684sudoers\u63d2\u4ef6\u7684SHA-2 digest support\u5b58\u5728\u8bbe\u8ba1\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u66ff\u6362\u5c06\u88ab\u6267\u884c\u7684\u547d\u4ee4\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": "Sudo sudoers\u63d2\u4ef6\u8bbe\u8ba1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Sudo sudoers plugin \u003e1.8.7"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2015/11/18/22",
  "serverity": "\u9ad8",
  "submitTime": "2017-10-12",
  "title": "Sudo sudoers\u63d2\u4ef6\u8bbe\u8ba1\u6f0f\u6d1e"
}

CVE-2015-8239 (GCVE-0-2015-8239)

Vulnerability from cvelistv5

Published

2017-10-10 16:00

Modified

2024-08-06 08:13

Severity ?

CWE

Summary

The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.

References

▼	URL	Tags
	https://www.sudo.ws/repos/sudo/rev/397722cdd7ec	x_refsource_CONFIRM
	https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=1283635	x_refsource_CONFIRM
	http://www.openwall.com/lists/oss-security/2015/11/18/22	mailing-list, x_refsource_MLIST
	https://www.sudo.ws/repos/sudo/rev/24a3d9215c64	x_refsource_CONFIRM

Impacted products

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

Show details on NVD website

JSON

To clipboard

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            "url": "https://www.sudo.ws/repos/sudo/rev/397722cdd7ec"
          },
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            "url": "https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195"
          },
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1283635"
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            "name": "[oss-security] 20151118 Re: race condition checking digests/checksums in sudoers",
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        ],
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    ],
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      "references": [
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          "tags": [
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          "url": "https://www.sudo.ws/repos/sudo/rev/397722cdd7ec"
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}

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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