cnvd-2018-26766
Vulnerability from cnvd
Title: Poppler拒绝服务漏洞(CNVD-2018-26766)
Description:
Poppler是一个用于生成PDF的C++类库,该库是从Xpdf(PDF阅读器)继承而来。
Poppler0.72.0版本中的XRef.cc文件的XRef::getEntry存在拒绝服务漏洞,该漏洞源于程序错误的处理了未分配的条目,远程攻击者可借助特制的PDF文档利用该漏洞造成拒绝服务(空指针逆向引用)。
Severity: 中
Patch Name: Poppler拒绝服务漏洞(CNVD-2018-26766)的补丁
Patch Description:
Poppler是一个用于生成PDF的C++类库,该库是从Xpdf(PDF阅读器)继承而来。
Poppler0.72.0版本中的XRef.cc文件的XRef::getEntry存在拒绝服务漏洞,该漏洞源于程序错误的处理了未分配的条目,远程攻击者可借助特制的PDF文档利用该漏洞造成拒绝服务(空指针逆向引用)。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/merge_requests/143
Reference: https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md https://github.com/phuctam/Server-Side-Template-Injection-in-CraftCMS-/issues/1
Impacted products
Name | Poppler Poppler 0.72.0 |
---|
{ "cves": { "cve": { "cveNumber": "CVE-2018-20481" } }, "description": "Poppler\u662f\u4e00\u4e2a\u7528\u4e8e\u751f\u6210PDF\u7684C++\u7c7b\u5e93\uff0c\u8be5\u5e93\u662f\u4eceXpdf\uff08PDF\u9605\u8bfb\u5668\uff09\u7ee7\u627f\u800c\u6765\u3002\n\nPoppler0.72.0\u7248\u672c\u4e2d\u7684XRef.cc\u6587\u4ef6\u7684XRef::getEntry\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u9519\u8bef\u7684\u5904\u7406\u4e86\u672a\u5206\u914d\u7684\u6761\u76ee\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PDF\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\u3002", "discovererName": "phuctam", "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/merge_requests/143", "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e", "number": "CNVD-2018-26766", "openTime": "2018-12-27", "patchDescription": "Poppler\u662f\u4e00\u4e2a\u7528\u4e8e\u751f\u6210PDF\u7684C++\u7c7b\u5e93\uff0c\u8be5\u5e93\u662f\u4eceXpdf\uff08PDF\u9605\u8bfb\u5668\uff09\u7ee7\u627f\u800c\u6765\u3002\r\n\r\nPoppler0.72.0\u7248\u672c\u4e2d\u7684XRef.cc\u6587\u4ef6\u7684XRef::getEntry\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u9519\u8bef\u7684\u5904\u7406\u4e86\u672a\u5206\u914d\u7684\u6761\u76ee\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684PDF\u6587\u6863\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u7a7a\u6307\u9488\u9006\u5411\u5f15\u7528\uff09\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\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-26766\uff09\u7684\u8865\u4e01", "products": { "product": "Poppler Poppler 0.72.0" }, "referenceLink": "https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md\r\nhttps://github.com/phuctam/Server-Side-Template-Injection-in-CraftCMS-/issues/1", "serverity": "\u4e2d", "submitTime": "2018-12-26", "title": "Poppler\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2018-26766\uff09" }
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Sightings
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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.
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