CNVD-2021-07119
Vulnerability from cnvd - Published: 2021-01-28
VLAI
Title
Apache Flink任意文件写入漏洞
Description
Apache Flink 是高效和分布式的通用数据处理平台。
Apache Flink产品存在任意文件写入漏洞，攻击者可以利用该漏洞读取服务器的敏感文件，借助硬编码凭证利用该漏洞对HMI配置文件进行读写操作并重置设备。
Severity
中
Patch Name
Apache Flink任意文件写入漏洞的补丁
Patch Description
Apache Flink 是高效和分布式的通用数据处理平台。
Apache Flink产品存在任意文件写入漏洞，攻击者可以利用该漏洞读取服务器的敏感文件，借助硬编码凭证利用该漏洞对HMI配置文件进行读写操作并重置设备。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已修复漏洞，补丁获取链接： https://flink.apache.org/
Reference
http://www.openwall.com/lists/oss-security/2021/01/05/1
Impacted products
| Name | Apache Flink |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2020-17518",
"cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-17518"
}
},
"description": "Apache Flink \u662f\u9ad8\u6548\u548c\u5206\u5e03\u5f0f\u7684\u901a\u7528\u6570\u636e\u5904\u7406\u5e73\u53f0\u3002\n\nApache Flink\u4ea7\u54c1\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u5199\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u670d\u52a1\u5668\u7684\u654f\u611f\u6587\u4ef6\uff0c\u501f\u52a9\u786c\u7f16\u7801\u51ed\u8bc1\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9HMI\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u5e76\u91cd\u7f6e\u8bbe\u5907\u3002",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u5df2\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://flink.apache.org/",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2021-07119",
"openTime": "2021-01-28",
"patchDescription": "Apache Flink \u662f\u9ad8\u6548\u548c\u5206\u5e03\u5f0f\u7684\u901a\u7528\u6570\u636e\u5904\u7406\u5e73\u53f0\u3002\r\n\r\nApache Flink\u4ea7\u54c1\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u5199\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u670d\u52a1\u5668\u7684\u654f\u611f\u6587\u4ef6\uff0c\u501f\u52a9\u786c\u7f16\u7801\u51ed\u8bc1\u5229\u7528\u8be5\u6f0f\u6d1e\u5bf9HMI\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c\u5e76\u91cd\u7f6e\u8bbe\u5907\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": "Apache Flink\u4efb\u610f\u6587\u4ef6\u5199\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": "Apache Flink"
},
"referenceLink": "http://www.openwall.com/lists/oss-security/2021/01/05/1",
"serverity": "\u4e2d",
"submitTime": "2021-01-06",
"title": "Apache Flink\u4efb\u610f\u6587\u4ef6\u5199\u5165\u6f0f\u6d1e"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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