Vulnerability-Lookup

CNVD-2021-14398

Vulnerability from cnvd - Published: 2021-03-04

Title

Dell SRS Policy Manager XML外部实体注入漏洞

Description

Dell SRS Policy Manager是美国戴尔（Dell）公司的一个应用软件。提供戴尔策略管理功能。 SRS Policy Manager 6.X存在安全漏洞，该漏洞源于错误配置的XML解析器在处理用户提供的DTD输入时未能进行足够的验证。攻击者可利用该漏洞作为非根用户读取系统文件，并可能暂时中断ESRS服务。

Severity

中

Patch Name

Dell SRS Policy Manager XML外部实体注入漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.dell.com/support/kbdoc/en-us/000183576/dsa-2021-045-dell-emc-srs-policy-manager-security-update-for-external-entity-injection-vulnerability

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-21517

Impacted products

Name
DELL SRS Policy Manager 6.*

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-21517",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-21517"
    }
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  "description": "Dell SRS Policy Manager\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u6234\u5c14\u7b56\u7565\u7ba1\u7406\u529f\u80fd\u3002\n\nSRS Policy Manager 6.X\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u914d\u7f6e\u7684XML\u89e3\u6790\u5668\u5728\u5904\u7406\u7528\u6237\u63d0\u4f9b\u7684DTD\u8f93\u5165\u65f6\u672a\u80fd\u8fdb\u884c\u8db3\u591f\u7684\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f5c\u4e3a\u975e\u6839\u7528\u6237\u8bfb\u53d6\u7cfb\u7edf\u6587\u4ef6\uff0c\u5e76\u53ef\u80fd\u6682\u65f6\u4e2d\u65adESRS\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://www.dell.com/support/kbdoc/en-us/000183576/dsa-2021-045-dell-emc-srs-policy-manager-security-update-for-external-entity-injection-vulnerability",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-14398",
  "openTime": "2021-03-04",
  "patchDescription": "Dell SRS Policy Manager\u662f\u7f8e\u56fd\u6234\u5c14\uff08Dell\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u6234\u5c14\u7b56\u7565\u7ba1\u7406\u529f\u80fd\u3002\r\n\r\nSRS Policy Manager 6.X\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u9519\u8bef\u914d\u7f6e\u7684XML\u89e3\u6790\u5668\u5728\u5904\u7406\u7528\u6237\u63d0\u4f9b\u7684DTD\u8f93\u5165\u65f6\u672a\u80fd\u8fdb\u884c\u8db3\u591f\u7684\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4f5c\u4e3a\u975e\u6839\u7528\u6237\u8bfb\u53d6\u7cfb\u7edf\u6587\u4ef6\uff0c\u5e76\u53ef\u80fd\u6682\u65f6\u4e2d\u65adESRS\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": "Dell SRS Policy Manager XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "DELL SRS Policy Manager 6.*"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-21517",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-03",
  "title": "Dell SRS Policy Manager XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2021-21517 (GCVE-0-2021-21517)

Vulnerability from cvelistv5 – Published: 2021-03-01 20:25 – Updated: 2024-09-17 00:25

Summary

SRS Policy Manager 6.X is affected by an XML External Entity Injection (XXE) vulnerability due to a misconfigured XML parser that processes user-supplied DTD input without sufficient validation. A remote unauthenticated attacker can potentially exploit this vulnerability to read system files as a non-root user and may be able to temporarily disrupt the ESRS service.

Severity

7.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L

CWE

CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Assigner

dell mitre root

References

1 reference

URL	Tags
https://www.dell.com/support/kbdoc/en-us/00018357…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
Dell	SRS Policy Manager	Affected: unspecified , < 7.0 (custom)

Date Public

2021-02-25 00:00

Show details on NVD website

JSON

To clipboard

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        }
      ],
      "metrics": [
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
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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.

Detection rules are retrieved from Rulezet.

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.
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CNVD-2021-14398

CVE-2021-21517 (GCVE-0-2021-21517)

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