cnvd-2021-44697
Vulnerability from cnvd

Title: Poppler缓冲区溢出漏洞(CNVD-2021-44697)

Description:

Poppler是基于xpdf-3.0代码库的PDF渲染库。

Poppler 20.12.1中的DCTStream.cc中的DCTStream::getChars存在堆缓冲区溢出漏洞,攻击者可通过特制PDF文档利用该漏洞导致堆缓冲区溢出。

Severity:

Patch Name: Poppler缓冲区溢出漏洞(CNVD-2021-44697)的补丁

Patch Description:

Poppler是基于xpdf-3.0代码库的PDF渲染库。

Poppler 20.12.1中的DCTStream.cc中的DCTStream::getChars存在堆缓冲区溢出漏洞,攻击者可通过特制PDF文档利用该漏洞导致堆缓冲区溢出。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.freedesktop.org/poppler/poppler/-/commit/ae614bf8ab42c9d0c7ac57ecdfdcbcfc4ff6c639

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-35702

Impacted products
Name
Poppler Poppler 20.12.1
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-35702",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-35702"
    }
  },
  "description": "Poppler\u662f\u57fa\u4e8expdf-3.0\u4ee3\u7801\u5e93\u7684PDF\u6e32\u67d3\u5e93\u3002\n\nPoppler 20.12.1\u4e2d\u7684DCTStream.cc\u4e2d\u7684DCTStream::getChars\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236PDF\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\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.freedesktop.org/poppler/poppler/-/commit/ae614bf8ab42c9d0c7ac57ecdfdcbcfc4ff6c639",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-44697",
  "openTime": "2021-06-24",
  "patchDescription": "Poppler\u662f\u57fa\u4e8expdf-3.0\u4ee3\u7801\u5e93\u7684PDF\u6e32\u67d3\u5e93\u3002\r\n\r\nPoppler 20.12.1\u4e2d\u7684DCTStream.cc\u4e2d\u7684DCTStream::getChars\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236PDF\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\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": "Poppler\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-44697\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Poppler Poppler 20.12.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-35702",
  "serverity": "\u4e2d",
  "submitTime": "2020-12-28",
  "title": "Poppler\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-44697\uff09"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…