cnvd-2020-70960
Vulnerability from cnvd
Title: Matrix Synapse授权问题漏洞
Description:
Matrix Synapse是英国Matrix基金会的一款矩阵管理服务器的实现。
Matrix Synapse 存在安全漏洞，该漏洞源于恶意的或实现不理想的主机服务器可以通过在“发送加入”、“发送离开”、“邀请”或“交换第三方邀请”请求的路径中指定不同的房间id来将畸形的事件注入到房间中。攻击者可利用该漏洞造成拒绝服务。
Severity: 中
Patch Name: Matrix Synapse授权问题漏洞的补丁
Patch Description:
Matrix Synapse是英国Matrix基金会的一款矩阵管理服务器的实现。
Matrix Synapse 存在安全漏洞，该漏洞源于恶意的或实现不理想的主机服务器可以通过在“发送加入”、“发送离开”、“邀请”或“交换第三方邀请”请求的路径中指定不同的房间id来将畸形的事件注入到房间中。攻击者可利用该漏洞造成拒绝服务。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://github.com/matrix-org/synapse/commit/3ce2f303f15f6ac3dc352298972dc6e04d9b7a8b
Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-26257
Impacted products
| Name | Matrix Synapse |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2020-26257",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-26257"
}
},
"description": "Matrix Synapse\u662f\u82f1\u56fdMatrix\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u77e9\u9635\u7ba1\u7406\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u3002\n\nMatrix Synapse \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6076\u610f\u7684\u6216\u5b9e\u73b0\u4e0d\u7406\u60f3\u7684\u4e3b\u673a\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u5728\u201c\u53d1\u9001\u52a0\u5165\u201d\u3001\u201c\u53d1\u9001\u79bb\u5f00\u201d\u3001\u201c\u9080\u8bf7\u201d\u6216\u201c\u4ea4\u6362\u7b2c\u4e09\u65b9\u9080\u8bf7\u201d\u8bf7\u6c42\u7684\u8def\u5f84\u4e2d\u6307\u5b9a\u4e0d\u540c\u7684\u623f\u95f4id\u6765\u5c06\u7578\u5f62\u7684\u4e8b\u4ef6\u6ce8\u5165\u5230\u623f\u95f4\u4e2d\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
"formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/matrix-org/synapse/commit/3ce2f303f15f6ac3dc352298972dc6e04d9b7a8b",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2020-70960",
"openTime": "2020-12-13",
"patchDescription": "Matrix Synapse\u662f\u82f1\u56fdMatrix\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u77e9\u9635\u7ba1\u7406\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u3002\r\n\r\nMatrix Synapse \u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6076\u610f\u7684\u6216\u5b9e\u73b0\u4e0d\u7406\u60f3\u7684\u4e3b\u673a\u670d\u52a1\u5668\u53ef\u4ee5\u901a\u8fc7\u5728\u201c\u53d1\u9001\u52a0\u5165\u201d\u3001\u201c\u53d1\u9001\u79bb\u5f00\u201d\u3001\u201c\u9080\u8bf7\u201d\u6216\u201c\u4ea4\u6362\u7b2c\u4e09\u65b9\u9080\u8bf7\u201d\u8bf7\u6c42\u7684\u8def\u5f84\u4e2d\u6307\u5b9a\u4e0d\u540c\u7684\u623f\u95f4id\u6765\u5c06\u7578\u5f62\u7684\u4e8b\u4ef6\u6ce8\u5165\u5230\u623f\u95f4\u4e2d\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "Matrix Synapse\u6388\u6743\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Matrix Synapse"
},
"referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-26257",
"serverity": "\u4e2d",
"submitTime": "2020-12-11",
"title": "Matrix Synapse\u6388\u6743\u95ee\u9898\u6f0f\u6d1e"
}
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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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