cnvd-2022-72102
Vulnerability from cnvd
Title
LibTIFF缓冲区溢出漏洞（CNVD-2022-72102）
Description
LibTIFF是一个读写TIFF（标签图像文件格式）文件的库。该库包含一些处理TIFF文件的命令行工具。 LibTIFF存在安全漏洞，该漏洞源于其tools/tiffcrop.c：6905中的extractImageSection对用户提供的数据缺乏适当的验证，特制数据可能会触发超过分配缓冲区末尾的读取。攻击者可利用该漏洞通过精心制作的tiff文件造成拒绝服务。
Severity
中
Patch Name
LibTIFF缓冲区溢出漏洞（CNVD-2022-72102）的补丁
Patch Description
LibTIFF是一个读写TIFF（标签图像文件格式）文件的库。该库包含一些处理TIFF文件的命令行工具。 LibTIFF存在安全漏洞，该漏洞源于其tools/tiffcrop.c：6905中的extractImageSection对用户提供的数据缺乏适当的验证，特制数据可能会触发超过分配缓冲区末尾的读取。攻击者可利用该漏洞通过精心制作的tiff文件造成拒绝服务。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://gitlab.com/libtiff/libtiff/-/commit/48d6ece8389b01129e7d357f0985c8f938ce3da3

Reference
https://nvd.nist.gov/vuln/detail/CVE-2022-2953
Impacted products
Name
Libtiff Libtiff <=4.4.0
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-2953",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-2953"
    }
  },
  "description": "LibTIFF\u662f\u4e00\u4e2a\u8bfb\u5199TIFF\uff08\u6807\u7b7e\u56fe\u50cf\u6587\u4ef6\u683c\u5f0f\uff09\u6587\u4ef6\u7684\u5e93\u3002\u8be5\u5e93\u5305\u542b\u4e00\u4e9b\u5904\u7406TIFF\u6587\u4ef6\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\n\nLibTIFF\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176tools/tiffcrop.c\uff1a6905\u4e2d\u7684extractImageSection\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7f3a\u4e4f\u9002\u5f53\u7684\u9a8c\u8bc1\uff0c\u7279\u5236\u6570\u636e\u53ef\u80fd\u4f1a\u89e6\u53d1\u8d85\u8fc7\u5206\u914d\u7f13\u51b2\u533a\u672b\u5c3e\u7684\u8bfb\u53d6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684tiff\u6587\u4ef6\u9020\u6210\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://gitlab.com/libtiff/libtiff/-/commit/48d6ece8389b01129e7d357f0985c8f938ce3da3",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-72102",
  "openTime": "2022-10-28",
  "patchDescription": "LibTIFF\u662f\u4e00\u4e2a\u8bfb\u5199TIFF\uff08\u6807\u7b7e\u56fe\u50cf\u6587\u4ef6\u683c\u5f0f\uff09\u6587\u4ef6\u7684\u5e93\u3002\u8be5\u5e93\u5305\u542b\u4e00\u4e9b\u5904\u7406TIFF\u6587\u4ef6\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\r\n\r\nLibTIFF\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5176tools/tiffcrop.c\uff1a6905\u4e2d\u7684extractImageSection\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u6570\u636e\u7f3a\u4e4f\u9002\u5f53\u7684\u9a8c\u8bc1\uff0c\u7279\u5236\u6570\u636e\u53ef\u80fd\u4f1a\u89e6\u53d1\u8d85\u8fc7\u5206\u914d\u7f13\u51b2\u533a\u672b\u5c3e\u7684\u8bfb\u53d6\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u5236\u4f5c\u7684tiff\u6587\u4ef6\u9020\u6210\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": "LibTIFF\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-72102\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Libtiff Libtiff \u003c=4.4.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2022-2953",
  "serverity": "\u4e2d",
  "submitTime": "2022-08-31",
  "title": "LibTIFF\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-72102\uff09"
}


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