CNVD-2018-02505
Vulnerability from cnvd - Published: 2018-02-01
VLAI
Title
PHP GD Graphics Library拒绝服务漏洞
Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHP Group和开放源代码社区共同维护的一种开源的通用计算机脚本语言。GD Graphics Library（又名libgd或libgd2）是美国软件开发者Thomas Boutell所研发的一个开源的用于动态创建图像的库。
PHP中使用的GD Graphics Library的gd_gif_in.c文件存在拒绝服务漏洞。攻击者可通过特制的GIF文件利用该漏洞造成拒绝服务（无限循环）。
Severity
高
Patch Name
PHP GD Graphics Library拒绝服务漏洞的补丁
Patch Description
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHP Group和开放源代码社区共同维护的一种开源的通用计算机脚本语言。GD Graphics Library（又名libgd或libgd2）是美国软件开发者Thomas Boutell所研发的一个开源的用于动态创建图像的库。
PHP中使用的GD Graphics Library的gd_gif_in.c文件存在拒绝服务漏洞。攻击者可通过特制的GIF文件利用该漏洞造成拒绝服务（无限循环）。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
目前厂商已发布升级补丁以修复漏洞，补丁获取链接： http://php.net/downloads.php
Reference
http://php.net/ChangeLog-5.php
http://php.net/ChangeLog-7.php
Impacted products
| Name | ['PHP PHP <5.6.33', 'PHP PHP 7.0.*，<7.0.27', 'PHP PHP 7.1.*，<7.1.13', 'PHP PHP 7.2.*，<7.2.1'] |
|---|
{
"cves": {
"cve": {
"cveNumber": "CVE-2018-5711"
}
},
"description": "PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09\u662fPHP Group\u548c\u5f00\u653e\u6e90\u4ee3\u7801\u793e\u533a\u5171\u540c\u7ef4\u62a4\u7684\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002GD Graphics Library\uff08\u53c8\u540dlibgd\u6216libgd2\uff09\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005Thomas Boutell\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u7528\u4e8e\u52a8\u6001\u521b\u5efa\u56fe\u50cf\u7684\u5e93\u3002\r\n\r\nPHP\u4e2d\u4f7f\u7528\u7684GD Graphics Library\u7684gd_gif_in.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684GIF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\u3002",
"discovererName": "Orange Tsai",
"formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://php.net/downloads.php",
"isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
"number": "CNVD-2018-02505",
"openTime": "2018-02-01",
"patchDescription": "PHP\uff08PHP\uff1aHypertext Preprocessor\uff0cPHP\uff1a\u8d85\u6587\u672c\u9884\u5904\u7406\u5668\uff09\u662fPHP Group\u548c\u5f00\u653e\u6e90\u4ee3\u7801\u793e\u533a\u5171\u540c\u7ef4\u62a4\u7684\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002GD Graphics Library\uff08\u53c8\u540dlibgd\u6216libgd2\uff09\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005Thomas Boutell\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u5f00\u6e90\u7684\u7528\u4e8e\u52a8\u6001\u521b\u5efa\u56fe\u50cf\u7684\u5e93\u3002\r\n\r\nPHP\u4e2d\u4f7f\u7528\u7684GD Graphics Library\u7684gd_gif_in.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u7684GIF\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\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": "PHP GD Graphics Library\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
"products": {
"product": [
"PHP PHP \u003c5.6.33",
"PHP PHP 7.0.*\uff0c\u003c7.0.27",
"PHP PHP 7.1.*\uff0c\u003c7.1.13",
"PHP PHP 7.2.*\uff0c\u003c7.2.1"
]
},
"referenceLink": "http://php.net/ChangeLog-5.php\r\nhttp://php.net/ChangeLog-7.php",
"serverity": "\u9ad8",
"submitTime": "2018-01-18",
"title": "PHP GD Graphics Library\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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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