CNVD-2015-00270

Vulnerability from cnvd - Published: 2015-01-14
VLAI
Title
libpng存在多个堆缓冲区溢出漏洞
Description
libpng是一款多种应用程序所使用的解析PNG图形格式的函数库。 libpng存在多个堆缓冲区溢出漏洞。由于程序未能对用户提供的输入进行充分的边界检查。攻击者可能会利用这些漏洞在受影响的库的应用程序的上下文中执行任意代码。
Severity
高
Patch Name
libpng存在多个堆缓冲区溢出漏洞的补丁
Patch Description
libpng是一款多种应用程序所使用的解析PNG图形格式的函数库。 libpng存在多个堆缓冲区溢出漏洞。由于程序未能对用户提供的输入进行充分的边界检查。攻击者可能会利用这些漏洞在受影响的库的应用程序的上下文中执行任意代码。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

用户可以联系供应商获得补丁信息: http://www.libpng.org/pub/png/libpng.html

Reference
http://www.securityfocus.com/bid/71994
Impacted products
Name
libpng libpng
Show details on source website

{
  "bids": {
    "bid": {
      "bidNumber": "71994"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-0973"
    }
  },
  "description": "libpng\u662f\u4e00\u6b3e\u591a\u79cd\u5e94\u7528\u7a0b\u5e8f\u6240\u4f7f\u7528\u7684\u89e3\u6790PNG\u56fe\u5f62\u683c\u5f0f\u7684\u51fd\u6570\u5e93\u3002 \r\n\r\nlibpng\u5b58\u5728\u591a\u4e2a\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u8fdb\u884c\u5145\u5206\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u5728\u53d7\u5f71\u54cd\u7684\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "John Bowler",
  "formalWay": "\u7528\u6237\u53ef\u4ee5\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://www.libpng.org/pub/png/libpng.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-00270",
  "openTime": "2015-01-14",
  "patchDescription": "libpng\u662f\u4e00\u6b3e\u591a\u79cd\u5e94\u7528\u7a0b\u5e8f\u6240\u4f7f\u7528\u7684\u89e3\u6790PNG\u56fe\u5f62\u683c\u5f0f\u7684\u51fd\u6570\u5e93\u3002\r\n\r\nlibpng\u5b58\u5728\u591a\u4e2a\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u7531\u4e8e\u7a0b\u5e8f\u672a\u80fd\u5bf9\u7528\u6237\u63d0\u4f9b\u7684\u8f93\u5165\u8fdb\u884c\u5145\u5206\u7684\u8fb9\u754c\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u5728\u53d7\u5f71\u54cd\u7684\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "libpng\u5b58\u5728\u591a\u4e2a\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libpng libpng"
  },
  "referenceLink": "http://www.securityfocus.com/bid/71994",
  "serverity": "\u9ad8",
  "submitTime": "2015-01-13",
  "title": "libpng\u5b58\u5728\u591a\u4e2a\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\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.

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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.


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