cnvd-2020-04073
Vulnerability from cnvd
Title
UPX无效内存地址解引用漏洞
Description
UPX是一款开源可执行文件打包程序，支持来自不同操作系统的多种文件格式。 UPX 3.95中的p_mach.cpp中的canUnpack函数存在无效内存地址解引用漏洞。攻击者可通过特制Mach-O文件利用该漏洞导致拒绝服务。
Severity
中
Patch Name
UPX无效内存地址解引用漏洞的补丁
Patch Description
UPX是一款开源可执行文件打包程序，支持来自不同操作系统的多种文件格式。 UPX 3.95中的p_mach.cpp中的canUnpack函数存在无效内存地址解引用漏洞。攻击者可通过特制Mach-O文件利用该漏洞导致拒绝服务。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://github.com/upx/upx/commit/819c33fee2b2c33b96bef27a13cb20f2589819aa

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-20053
Impacted products
Name
UPX UPX 3.95
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20053",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-20053"
    }
  },
  "description": "UPX\u662f\u4e00\u6b3e\u5f00\u6e90\u53ef\u6267\u884c\u6587\u4ef6\u6253\u5305\u7a0b\u5e8f\uff0c\u652f\u6301\u6765\u81ea\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u591a\u79cd\u6587\u4ef6\u683c\u5f0f\u3002\n\nUPX 3.95\u4e2d\u7684p_mach.cpp\u4e2d\u7684canUnpack\u51fd\u6570\u5b58\u5728\u65e0\u6548\u5185\u5b58\u5730\u5740\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236Mach-O\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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://github.com/upx/upx/commit/819c33fee2b2c33b96bef27a13cb20f2589819aa",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04073",
  "openTime": "2020-02-06",
  "patchDescription": "UPX\u662f\u4e00\u6b3e\u5f00\u6e90\u53ef\u6267\u884c\u6587\u4ef6\u6253\u5305\u7a0b\u5e8f\uff0c\u652f\u6301\u6765\u81ea\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u591a\u79cd\u6587\u4ef6\u683c\u5f0f\u3002\r\n\r\nUPX 3.95\u4e2d\u7684p_mach.cpp\u4e2d\u7684canUnpack\u51fd\u6570\u5b58\u5728\u65e0\u6548\u5185\u5b58\u5730\u5740\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236Mach-O\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "UPX\u65e0\u6548\u5185\u5b58\u5730\u5740\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "UPX UPX 3.95"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20053",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-30",
  "title": "UPX\u65e0\u6548\u5185\u5b58\u5730\u5740\u89e3\u5f15\u7528\u6f0f\u6d1e"
}


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