Vulnerability-Lookup

CNVD-2017-29192

Vulnerability from cnvd - Published: 2017-10-09

Title

PHP ext/standard/var_unserializer.re堆缓冲区溢出漏洞（CNVD-2017-29192）

Description

PHP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。 PHP ext/standard/var_unserializer.re存在堆缓冲区溢出漏洞，允许远程攻击者利用漏洞提交特殊的请求，执行任意代码。

Severity

高

Patch Name

PHP ext/standard/var_unserializer.re堆缓冲区溢出漏洞（CNVD-2017-29192）的补丁

Patch Description

PHP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。 PHP ext/standard/var_unserializer.re存在堆缓冲区溢出漏洞，允许远程攻击者利用漏洞提交特殊的请求，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

厂商已发布漏洞修复程序，请及时关注更新： http://php.net/ChangeLog-7.php

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-12932

Impacted products

Name
PHP PHP >=7.0.0，<=7.0.22

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "100427"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12932"
    }
  },
  "description": "PHP\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\u3002\r\n\r\nPHP ext/standard/var_unserializer.re\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "cyoung",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://php.net/ChangeLog-7.php",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-29192",
  "openTime": "2017-10-09",
  "patchDescription": "PHP\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\u3002\r\n\r\nPHP ext/standard/var_unserializer.re\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\uff0c\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": "PHP ext/standard/var_unserializer.re\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-29192\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "PHP PHP \u003e=7.0.0\uff0c\u003c=7.0.22"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-12932",
  "serverity": "\u9ad8",
  "submitTime": "2017-08-18",
  "title": "PHP ext/standard/var_unserializer.re\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2017-29192\uff09"
}

CVE-2017-12932 (GCVE-0-2017-12932)

Vulnerability from cvelistv5 – Published: 2017-08-18 03:00 – Updated: 2024-08-05 18:51

Summary

ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

9 references

URL	Tags
http://www.securityfocus.com/bid/100427	vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2018:1296	vendor-advisoryx_refsource_REDHAT
https://github.com/php/php-src/commit/1a23ebc1fff…	x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-2018011…	x_refsource_CONFIRM
https://bugs.php.net/bug.php?id=74103	x_refsource_CONFIRM
https://www.debian.org/security/2018/dsa-4080	vendor-advisoryx_refsource_DEBIAN
http://php.net/ChangeLog-7.php	x_refsource_CONFIRM
https://security.gentoo.org/glsa/201709-21	vendor-advisoryx_refsource_GENTOO
https://access.redhat.com/errata/RHSA-2019:2519	vendor-advisoryx_refsource_REDHAT

Date Public

2017-08-17 00:00

Show details on NVD website

JSON

To clipboard

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          "url": "https://bugs.php.net/bug.php?id=74103"
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          "url": "https://www.debian.org/security/2018/dsa-4080"
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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.

Action not permitted

CNVD-2017-29192

CVE-2017-12932 (GCVE-0-2017-12932)

Tags

Sightings

Nomenclature

Related by attack behaviour