Vulnerability-Lookup

CNVD-2016-02703

Vulnerability from cnvd - Published: 2016-05-04

Title

PHP ‘libxml_disable_entity_loader()’拒绝服务漏洞

Description

PHP是一种开源的通用计算机脚本语言。 PHP 线程间可以共享‘libxml_disable_entity_loader()’设置，允许远程攻击者可利用该漏洞提交XML外部实体注入和实体扩展使应用程序崩溃。

Severity

中

Patch Name

PHP ‘libxml_disable_entity_loader()’拒绝服务漏洞的补丁

Patch Description

PHP是一种开源的通用计算机脚本语言。 PHP 线程间可以共享‘libxml_disable_entity_loader()’设置，允许远程攻击者可利用该漏洞提交XML外部实体注入和实体扩展使应用程序崩溃。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

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://bugs.php.net/bug.php?id=64938

Reference

https://bugs.php.net/bug.php?id=64938 https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817 http://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9 https://bugs.php.net/bug.php?id=64938

Impacted products

Name
PHP PHP

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8866"
    }
  },
  "description": "PHP\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002\r\n\r\nPHP \u7ebf\u7a0b\u95f4\u53ef\u4ee5\u5171\u4eab\u2018libxml_disable_entity_loader()\u2019\u8bbe\u7f6e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u548c\u5b9e\u4f53\u6269\u5c55\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "discovererName": "PHP",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://bugs.php.net/bug.php?id=64938",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02703",
  "openTime": "2016-05-04",
  "patchDescription": "PHP\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u901a\u7528\u8ba1\u7b97\u673a\u811a\u672c\u8bed\u8a00\u3002\r\n\r\nPHP \u7ebf\u7a0b\u95f4\u53ef\u4ee5\u5171\u4eab\u2018libxml_disable_entity_loader()\u2019\u8bbe\u7f6e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u548c\u5b9e\u4f53\u6269\u5c55\u4f7f\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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 \u2018libxml_disable_entity_loader()\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "PHP PHP"
  },
  "referenceLink": "https://bugs.php.net/bug.php?id=64938\r\nhttps://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817\r\nhttp://git.php.net/?p=php-src.git;a=commit;h=de31324c221c1791b26350ba106cc26bad23ace9\r\nhttps://bugs.php.net/bug.php?id=64938",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-26",
  "title": "PHP \u2018libxml_disable_entity_loader()\u2019\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2015-8866 (GCVE-0-2015-8866)

Vulnerability from cvelistv5 – Published: 2016-05-22 01:00 – Updated: 2024-08-06 08:29

Summary

ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

12 references

URL	Tags
http://www.ubuntu.com/usn/USN-2952-1	vendor-advisoryx_refsource_UBUNTU
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=…	x_refsource_CONFIRM
https://bugs.launchpad.net/ubuntu/+source/php5/+b…	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2016-2750.html	vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2952-2	vendor-advisoryx_refsource_UBUNTU
http://www.php.net/ChangeLog-5.php	x_refsource_CONFIRM
https://bugs.php.net/bug.php?id=64938	x_refsource_CONFIRM
http://www.securityfocus.com/bid/87470	vdb-entryx_refsource_BID
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.openwall.com/lists/oss-security/2016/04/24/1	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2016-03-31 00:00

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

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.

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.