CNVD-2019-18867

Vulnerability from cnvd - Published: 2019-06-20
VLAI
Title
bzip2缓冲区溢出漏洞
Description
bzip2是一款开源的压缩/解压缩应用程序。 bzip2 1.0.6及之前版本中的decompress.c文件的BZ2_decompress存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Severity
低
Patch Name
bzip2缓冲区溢出漏洞的补丁
Patch Description
bzip2是一款开源的压缩/解压缩应用程序。 bzip2 1.0.6及之前版本中的decompress.c文件的BZ2_decompress存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc

Reference
https://nvd.nist.gov/vuln/detail/CVE-2019-12900
Impacted products
Name
Julian Seward bzip2 <=2 1.0.6
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-12900",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-12900"
    }
  },
  "description": "bzip2\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u538b\u7f29/\u89e3\u538b\u7f29\u5e94\u7528\u7a0b\u5e8f\u3002\n\nbzip2 1.0.6\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684decompress.c\u6587\u4ef6\u7684BZ2_decompress\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-18867",
  "openTime": "2019-06-20",
  "patchDescription": "bzip2\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u538b\u7f29/\u89e3\u538b\u7f29\u5e94\u7528\u7a0b\u5e8f\u3002\n\nbzip2 1.0.6\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684decompress.c\u6587\u4ef6\u7684BZ2_decompress\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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": "bzip2\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Julian Seward bzip2 \u003c=2 1.0.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-12900",
  "serverity": "\u4f4e",
  "submitTime": "2019-06-20",
  "title": "bzip2\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}



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Nomenclature

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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • 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.



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