Vulnerability-Lookup

CNVD-2021-41155

Vulnerability from cnvd - Published: 2021-06-13

Title

Cisco StarOS任意文件读取漏洞

Description

Cisco StarOS是一套路由器操作系统，可控制整个系统逻辑，可控制进程和CLI。 Cisco ASR 5000系列路由器使用的Cisco StarOS 21.19.7之前版本的安全FTP (SFTP)存在任意文件读取漏洞，攻击者可通过向受影响的设备发送特制SFTP命令利用该漏洞读取受影响设备上的任意文件。

Severity

中

Patch Name

Cisco StarOS任意文件读取漏洞的补丁

Patch Description

Cisco StarOS是一套路由器操作系统，可控制整个系统逻辑，可控制进程和CLI。 Cisco ASR 5000系列路由器使用的Cisco StarOS 21.19.7之前版本的安全FTP (SFTP)存在任意文件读取漏洞，攻击者可通过向受影响的设备发送特制SFTP命令利用该漏洞读取受影响设备上的任意文件。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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-file-read-L3RDvtey

Reference

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-file-read-L3RDvtey

Impacted products

Name
Cisco StarOS <21.19.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1145",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1145"
    }
  },
  "description": "Cisco StarOS\u662f\u4e00\u5957\u8def\u7531\u5668\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u63a7\u5236\u6574\u4e2a\u7cfb\u7edf\u903b\u8f91\uff0c\u53ef\u63a7\u5236\u8fdb\u7a0b\u548cCLI\u3002\n\nCisco ASR 5000\u7cfb\u5217\u8def\u7531\u5668\u4f7f\u7528\u7684Cisco StarOS 21.19.7\u4e4b\u524d\u7248\u672c\u7684\u5b89\u5168FTP (SFTP)\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u53d1\u9001\u7279\u5236SFTP\u547d\u4ee4\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u53d7\u5f71\u54cd\u8bbe\u5907\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-file-read-L3RDvtey",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-41155",
  "openTime": "2021-06-13",
  "patchDescription": "Cisco StarOS\u662f\u4e00\u5957\u8def\u7531\u5668\u64cd\u4f5c\u7cfb\u7edf\uff0c\u53ef\u63a7\u5236\u6574\u4e2a\u7cfb\u7edf\u903b\u8f91\uff0c\u53ef\u63a7\u5236\u8fdb\u7a0b\u548cCLI\u3002\r\n\r\nCisco ASR 5000\u7cfb\u5217\u8def\u7531\u5668\u4f7f\u7528\u7684Cisco StarOS 21.19.7\u4e4b\u524d\u7248\u672c\u7684\u5b89\u5168FTP (SFTP)\u5b58\u5728\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5411\u53d7\u5f71\u54cd\u7684\u8bbe\u5907\u53d1\u9001\u7279\u5236SFTP\u547d\u4ee4\u5229\u7528\u8be5\u6f0f\u6d1e\u8bfb\u53d6\u53d7\u5f71\u54cd\u8bbe\u5907\u4e0a\u7684\u4efb\u610f\u6587\u4ef6\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": "Cisco StarOS\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco StarOS \u003c21.19.7"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-file-read-L3RDvtey",
  "serverity": "\u4e2d",
  "submitTime": "2021-01-14",
  "title": "Cisco StarOS\u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u6f0f\u6d1e"
}

CVE-2021-1145 (GCVE-0-2021-1145)

Vulnerability from cvelistv5 – Published: 2021-01-13 21:45 – Updated: 2024-11-12 20:40

Title

Cisco StarOS for Cisco ASR 5000 Series Routers Arbitrary File Read Vulnerability

Summary

A vulnerability in the Secure FTP (SFTP) of Cisco StarOS for Cisco ASR 5000 Series Routers could allow an authenticated, remote attacker to read arbitrary files on an affected device. To exploit this vulnerability, the attacker would need to have valid credentials on the affected device. The vulnerability is due to insecure handling of symbolic links. An attacker could exploit this vulnerability by sending a crafted SFTP command to an affected device. A successful exploit could allow the attacker to read arbitrary files on the affected device.

Severity

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-08 20:53 UTC

CWE

CWE-61

Assigner

cisco mitre root

References

1 reference

URL	Tags
https://tools.cisco.com/security/center/content/C…	vendor-advisoryx_refsource_CISCO

Impacted products

1 product

Vendor	Product	Version
Cisco	Cisco ASR 5000 Series Software	Affected: n/a

Date Public

2021-01-13 00:00

Show details on NVD website

JSON

To clipboard

{
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        "providerMetadata": {
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            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-staros-file-read-L3RDvtey"
          }
        ],
        "title": "CVE Program Container"
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            "availabilityImpact": "NONE",
            "baseScore": 6.5,
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            "confidentialityImpact": "HIGH",
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.