cnvd-2018-03146
Vulnerability from cnvd
Title: xorg-x11-server拒绝服务漏洞（CNVD-2018-03146）
Description:
xorg-x11-server是多个厂商操作系统中所捆绑的X窗口系统显示服务器。
xorg-x11-server 1.19.5之前版本中的‘ProcXIChangeHierarchy’函数存在安全漏洞，该漏洞源于错误的额外长度检测。攻击者可利用该漏洞造成拒绝服务（崩溃）或可能执行任意代码。
Severity: 高
Patch Name: xorg-x11-server拒绝服务漏洞（CNVD-2018-03146）的补丁
Patch Description:
xorg-x11-server是多个厂商操作系统中所捆绑的X窗口系统显示服务器。
xorg-x11-server 1.19.5之前版本中的‘ProcXIChangeHierarchy’函数存在安全漏洞，该漏洞源于错误的额外长度检测。攻击者可利用该漏洞造成拒绝服务（崩溃）或可能执行任意代码。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:
厂商已发布漏洞修复程序，请及时关注更新： https://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821
Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-12178
Impacted products
| Name | X.org xorg-x11-server <1.19.5 |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2017-12178"
}
},
"description": "xorg-x11-server\u662f\u591a\u4e2a\u5382\u5546\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u6240\u6346\u7ed1\u7684X\u7a97\u53e3\u7cfb\u7edf\u663e\u793a\u670d\u52a1\u5668\u3002\r\n\r\nxorg-x11-server 1.19.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018ProcXIChangeHierarchy\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684\u989d\u5916\u957f\u5ea6\u68c0\u6d4b\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u53ef\u80fd\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
"discovererName": "Adam Mari\u0161",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://cgit.freedesktop.org/xorg/xserver/commit/?id=859b08d523307eebde7724fd1a0789c44813e821",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-03146",
"openTime": "2018-02-11",
"patchDescription": "xorg-x11-server\u662f\u591a\u4e2a\u5382\u5546\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u6240\u6346\u7ed1\u7684X\u7a97\u53e3\u7cfb\u7edf\u663e\u793a\u670d\u52a1\u5668\u3002\r\n\r\nxorg-x11-server 1.19.5\u4e4b\u524d\u7248\u672c\u4e2d\u7684\u2018ProcXIChangeHierarchy\u2019\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u7684\u989d\u5916\u957f\u5ea6\u68c0\u6d4b\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5d29\u6e83\uff09\u6216\u53ef\u80fd\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "xorg-x11-server\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03146\uff09\u7684\u8865\u4e01",
"products": {
"product": "X.org xorg-x11-server \u003c1.19.5"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-12178",
"serverity": "\u9ad8",
"submitTime": "2018-01-25",
"title": "xorg-x11-server\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-03146\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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