cnvd-2021-24265
Vulnerability from cnvd
Title
GNU tar拒绝服务漏洞（CNVD-2021-24265）
Description
GNU Tar是GNU社区的一套用于创建tar格式文件的工具。 在tar 1.33及之前版本存在安全漏洞，攻击者可利用该漏洞可以向tar提交精心制作的输入文件，从而导致未受控制的内存消耗。
Severity
中
Patch Name
GNU tar拒绝服务漏洞（CNVD-2021-24265）的补丁
Patch Description
GNU Tar是GNU社区的一套用于创建tar格式文件的工具。 在tar 1.33及之前版本存在安全漏洞，攻击者可利用该漏洞可以向tar提交精心制作的输入文件，从而导致未受控制的内存消耗。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://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777

Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-20193
Impacted products
Name
Gnu Tar <=1.33
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20193",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20193"
    }
  },
  "description": "GNU Tar\u662fGNU\u793e\u533a\u7684\u4e00\u5957\u7528\u4e8e\u521b\u5efatar\u683c\u5f0f\u6587\u4ef6\u7684\u5de5\u5177\u3002\n\n\u5728tar 1.33\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5411tar\u63d0\u4ea4\u7cbe\u5fc3\u5236\u4f5c\u7684\u8f93\u5165\u6587\u4ef6\uff0c\u4ece\u800c\u5bfc\u81f4\u672a\u53d7\u63a7\u5236\u7684\u5185\u5b58\u6d88\u8017\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1ahttps://git.savannah.gnu.org/cgit/tar.git/commit/?id=d9d4435692150fa8ff68e1b1a473d187cc3fd777",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-24265",
  "openTime": "2021-04-01",
  "patchDescription": "GNU Tar\u662fGNU\u793e\u533a\u7684\u4e00\u5957\u7528\u4e8e\u521b\u5efatar\u683c\u5f0f\u6587\u4ef6\u7684\u5de5\u5177\u3002\r\n\r\n\u5728tar 1.33\u53ca\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u5411tar\u63d0\u4ea4\u7cbe\u5fc3\u5236\u4f5c\u7684\u8f93\u5165\u6587\u4ef6\uff0c\u4ece\u800c\u5bfc\u81f4\u672a\u53d7\u63a7\u5236\u7684\u5185\u5b58\u6d88\u8017\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": "GNU tar\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-24265\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Gnu Tar \u003c=1.33"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20193",
  "serverity": "\u4e2d",
  "submitTime": "2021-03-31",
  "title": "GNU tar\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2021-24265\uff09"
}


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