cnvd-2015-08520
Vulnerability from cnvd
Title: Samba绕过访问权限漏洞（CNVD-2015-08520）
Description:
Samba是一套实现SMB（Server Messages Block）协议、跨平台进行文件共享和打印共享服务的程序。
Samba 4.1.22之前的4.x版本, 4.2.7之前的4.2.x版本, 4.3.3之前的4.3.x版本存在绕过访问权限漏洞。允许攻击者通过一个指向共享文件的符号链接获取目的文件的访问权限。
Severity: 中
Patch Name: Samba绕过访问权限漏洞（CNVD-2015-08520）的补丁
Patch Description:
Samba是一套实现SMB（Server Messages Block）协议、跨平台进行文件共享和打印共享服务的程序。
Samba 4.1.22之前的4.x版本, 4.2.7之前的4.2.x版本, 4.3.3之前的4.3.x版本存在绕过访问权限漏洞。允许攻击者通过一个指向共享文件的符号链接获取目的文件的访问权限。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:
用户可联系供应商获得补丁信息： https://www.samba.org/samba/history/security.html
Reference: https://www.samba.org/samba/security/CVE-2015-5252.html
Impacted products
| Name | ['Samba Samba 4.x(<4.1.22)', 'Samba Samba 4.2.x(<4.2.7)', 'Samba Samba 4.3.x(< 4.3.3)'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2015-5252"
}
},
"description": "Samba\u662f\u4e00\u5957\u5b9e\u73b0SMB\uff08Server Messages Block\uff09\u534f\u8bae\u3001\u8de8\u5e73\u53f0\u8fdb\u884c\u6587\u4ef6\u5171\u4eab\u548c\u6253\u5370\u5171\u4eab\u670d\u52a1\u7684\u7a0b\u5e8f\u3002\r\n\r\nSamba 4.1.22\u4e4b\u524d\u76844.x\u7248\u672c, 4.2.7\u4e4b\u524d\u76844.2.x\u7248\u672c, 4.3.3\u4e4b\u524d\u76844.3.x\u7248\u672c\u5b58\u5728\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\u3002\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u4e00\u4e2a\u6307\u5411\u5171\u4eab\u6587\u4ef6\u7684\u7b26\u53f7\u94fe\u63a5\u83b7\u53d6\u76ee\u7684\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650\u3002",
"discovererName": "Jan \"Yenya\" Kasprzak and the Computer Systems Unit team",
"formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttps://www.samba.org/samba/history/security.html",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2015-08520",
"openTime": "2015-12-31",
"patchDescription": "Samba\u662f\u4e00\u5957\u5b9e\u73b0SMB\uff08Server Messages Block\uff09\u534f\u8bae\u3001\u8de8\u5e73\u53f0\u8fdb\u884c\u6587\u4ef6\u5171\u4eab\u548c\u6253\u5370\u5171\u4eab\u670d\u52a1\u7684\u7a0b\u5e8f\u3002\r\n\r\nSamba 4.1.22\u4e4b\u524d\u76844.x\u7248\u672c, 4.2.7\u4e4b\u524d\u76844.2.x\u7248\u672c, 4.3.3\u4e4b\u524d\u76844.3.x\u7248\u672c\u5b58\u5728\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\u3002\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u4e00\u4e2a\u6307\u5411\u5171\u4eab\u6587\u4ef6\u7684\u7b26\u53f7\u94fe\u63a5\u83b7\u53d6\u76ee\u7684\u6587\u4ef6\u7684\u8bbf\u95ee\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": "Samba\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\uff08CNVD-2015-08520\uff09\u7684\u8865\u4e01",
"products": {
"product": [
"Samba Samba 4.x(\u003c4.1.22)",
"Samba Samba 4.2.x(\u003c4.2.7)",
"Samba Samba 4.3.x(\u003c 4.3.3)"
]
},
"referenceLink": "https://www.samba.org/samba/security/CVE-2015-5252.html",
"serverity": "\u4e2d",
"submitTime": "2015-12-30",
"title": "Samba\u7ed5\u8fc7\u8bbf\u95ee\u6743\u9650\u6f0f\u6d1e\uff08CNVD-2015-08520\uff09"
}
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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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