CNVD-2020-04052

Vulnerability from cnvd - Published: 2020-02-06
VLAI
Title
Cisco Email Security Appliance zip解压缩引擎拒绝服务漏洞
Description
Cisco Email Security Appliance (ESA)是一体式设备,可防御垃圾邮件、高级恶意软件、网络钓鱼及数据丢失。Cisco AsyncOS是基本操作系统(OS)、设备驱动程序、内存管理、进程调度以及所有应用程序和扫描软件的集合。 Cisco Email Security Appliance的Cisco AsyncOS的zip解压缩引擎存在拒绝服务漏洞。该漏洞源于对zip文件的验证不当。攻击者可利用该漏洞通过发送带有特制zip压缩附件的电子邮件导致内容扫描进程重新启动,从而可导致暂时的拒绝服务。
Severity
Patch Name
Cisco Email Security Appliance zip解压缩引擎拒绝服务漏洞的补丁
Patch Description
Cisco Email Security Appliance (ESA)是一体式设备,可防御垃圾邮件、高级恶意软件、网络钓鱼及数据丢失。Cisco AsyncOS是基本操作系统(OS)、设备驱动程序、内存管理、进程调度以及所有应用程序和扫描软件的集合。 Cisco Email Security Appliance的Cisco AsyncOS的zip解压缩引擎存在拒绝服务漏洞。该漏洞源于对zip文件的验证不当。攻击者可利用该漏洞通过发送带有特制zip压缩附件的电子邮件导致内容扫描进程重新启动,从而可导致暂时的拒绝服务。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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n

Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n
Impacted products
Name
Cisco Cisco Email Security Appliance <13.0
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-3134",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-3134"
    }
  },
  "description": "Cisco Email Security Appliance (ESA)\u662f\u4e00\u4f53\u5f0f\u8bbe\u5907\uff0c\u53ef\u9632\u5fa1\u5783\u573e\u90ae\u4ef6\u3001\u9ad8\u7ea7\u6076\u610f\u8f6f\u4ef6\u3001\u7f51\u7edc\u9493\u9c7c\u53ca\u6570\u636e\u4e22\u5931\u3002Cisco AsyncOS\u662f\u57fa\u672c\u64cd\u4f5c\u7cfb\u7edf(OS)\u3001\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u3001\u5185\u5b58\u7ba1\u7406\u3001\u8fdb\u7a0b\u8c03\u5ea6\u4ee5\u53ca\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u548c\u626b\u63cf\u8f6f\u4ef6\u7684\u96c6\u5408\u3002\n\nCisco Email Security Appliance\u7684Cisco AsyncOS\u7684zip\u89e3\u538b\u7f29\u5f15\u64ce\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9zip\u6587\u4ef6\u7684\u9a8c\u8bc1\u4e0d\u5f53\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u5e26\u6709\u7279\u5236zip\u538b\u7f29\u9644\u4ef6\u7684\u7535\u5b50\u90ae\u4ef6\u5bfc\u81f4\u5185\u5bb9\u626b\u63cf\u8fdb\u7a0b\u91cd\u65b0\u542f\u52a8\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u6682\u65f6\u7684\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://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04052",
  "openTime": "2020-02-06",
  "patchDescription": "Cisco Email Security Appliance (ESA)\u662f\u4e00\u4f53\u5f0f\u8bbe\u5907\uff0c\u53ef\u9632\u5fa1\u5783\u573e\u90ae\u4ef6\u3001\u9ad8\u7ea7\u6076\u610f\u8f6f\u4ef6\u3001\u7f51\u7edc\u9493\u9c7c\u53ca\u6570\u636e\u4e22\u5931\u3002Cisco AsyncOS\u662f\u57fa\u672c\u64cd\u4f5c\u7cfb\u7edf(OS)\u3001\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u3001\u5185\u5b58\u7ba1\u7406\u3001\u8fdb\u7a0b\u8c03\u5ea6\u4ee5\u53ca\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u548c\u626b\u63cf\u8f6f\u4ef6\u7684\u96c6\u5408\u3002\r\n\r\nCisco Email Security Appliance\u7684Cisco AsyncOS\u7684zip\u89e3\u538b\u7f29\u5f15\u64ce\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bf9zip\u6587\u4ef6\u7684\u9a8c\u8bc1\u4e0d\u5f53\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u53d1\u9001\u5e26\u6709\u7279\u5236zip\u538b\u7f29\u9644\u4ef6\u7684\u7535\u5b50\u90ae\u4ef6\u5bfc\u81f4\u5185\u5bb9\u626b\u63cf\u8fdb\u7a0b\u91cd\u65b0\u542f\u52a8\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u6682\u65f6\u7684\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": "Cisco Email Security Appliance zip\u89e3\u538b\u7f29\u5f15\u64ce\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Cisco Email Security Appliance \u003c13.0"
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-dos-87mBkc8n",
  "serverity": "\u4e2d",
  "submitTime": "2020-01-23",
  "title": "Cisco Email Security Appliance zip\u89e3\u538b\u7f29\u5f15\u64ce\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}



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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

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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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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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