CNVD-2020-32847

Vulnerability from cnvd - Published: 2020-06-13
VLAI
Title
Apache log4net XXE漏洞
Description
Apache log4net是美国阿帕奇（Apache）软件基金会的一款日志输出工具。 Apache log4net 2.0.8之前版本中log4net配置文件的解析过程存在安全漏洞。攻击者可借助特制XML内容利用该漏洞迫使系统接受任意配置文件。
Severity
高
Patch Name
Apache log4net XXE漏洞的补丁
Patch Description
Apache log4net是美国阿帕奇（Apache）软件基金会的一款日志输出工具。 Apache log4net 2.0.8之前版本中log4net配置文件的解析过程存在安全漏洞。攻击者可借助特制XML内容利用该漏洞迫使系统接受任意配置文件。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

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://logging.apache.org/log4net/

Reference
https://nvd.nist.gov/vuln/detail/CVE-2018-1285
Impacted products
Name
Apache log4net <=2.0.8
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1285",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2018-1285"
    }
  },
  "description": "Apache log4net\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u65e5\u5fd7\u8f93\u51fa\u5de5\u5177\u3002\n\nApache log4net 2.0.8\u4e4b\u524d\u7248\u672c\u4e2dlog4net\u914d\u7f6e\u6587\u4ef6\u7684\u89e3\u6790\u8fc7\u7a0b\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236XML\u5185\u5bb9\u5229\u7528\u8be5\u6f0f\u6d1e\u8feb\u4f7f\u7cfb\u7edf\u63a5\u53d7\u4efb\u610f\u914d\u7f6e\u6587\u4ef6\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://logging.apache.org/log4net/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-32847",
  "openTime": "2020-06-13",
  "patchDescription": "Apache log4net\u662f\u7f8e\u56fd\u963f\u5e15\u5947\uff08Apache\uff09\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u65e5\u5fd7\u8f93\u51fa\u5de5\u5177\u3002\r\n\r\nApache log4net 2.0.8\u4e4b\u524d\u7248\u672c\u4e2dlog4net\u914d\u7f6e\u6587\u4ef6\u7684\u89e3\u6790\u8fc7\u7a0b\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236XML\u5185\u5bb9\u5229\u7528\u8be5\u6f0f\u6d1e\u8feb\u4f7f\u7cfb\u7edf\u63a5\u53d7\u4efb\u610f\u914d\u7f6e\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": "Apache log4net XXE\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Apache log4net \u003c=2.0.8"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-1285",
  "serverity": "\u9ad8",
  "submitTime": "2020-05-12",
  "title": "Apache log4net XXE\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

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.



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.