Vulnerability-Lookup

CNVD-2018-06030

Vulnerability from cnvd - Published: 2018-03-22

Title

Memcached 'item_free()'函数整数溢出漏洞

Description

Memcached是美国软件开发者布莱德-菲兹派翠克（Brad Fitzpatrick）所研发的一套高性能的分布式内存对象缓存系统。该系统通过在内存中缓存数据和对象来减少读取数据库的次数，从而提高网站访问速度。 Memcached 1.4.37之前版本中的items.c文件的'item_free()'函数存在整数溢出漏洞。攻击者可借助对memcached的网络连接利用该漏洞损坏数据并造成死锁。

Severity

高

Patch Name

Memcached 'item_free()'函数整数溢出漏洞的补丁

Patch Description

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/memcached/memcached/wiki/ReleaseNotes1437

Reference

https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00 https://github.com/memcached/memcached/issues/271 https://github.com/memcached/memcached/wiki/ReleaseNotes1437

Impacted products

Name
Memcached Memcachedb <=1.4.37

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1000127"
    }
  },
  "description": "Memcached\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u5e03\u83b1\u5fb7-\u83f2\u5179\u6d3e\u7fe0\u514b\uff08Brad Fitzpatrick\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u901a\u8fc7\u5728\u5185\u5b58\u4e2d\u7f13\u5b58\u6570\u636e\u548c\u5bf9\u8c61\u6765\u51cf\u5c11\u8bfb\u53d6\u6570\u636e\u5e93\u7684\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u8bbf\u95ee\u901f\u5ea6\u3002\r\n\r\nMemcached 1.4.37\u4e4b\u524d\u7248\u672c\u4e2d\u7684items.c\u6587\u4ef6\u7684\u0027item_free()\u0027\u51fd\u6570\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5bf9memcached\u7684\u7f51\u7edc\u8fde\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u635f\u574f\u6570\u636e\u5e76\u9020\u6210\u6b7b\u9501\u3002",
  "discovererName": "unknwon",
  "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\nhttps://github.com/memcached/memcached/wiki/ReleaseNotes1437",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-06030",
  "openTime": "2018-03-22",
  "patchDescription": "Memcached\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u5e03\u83b1\u5fb7-\u83f2\u5179\u6d3e\u7fe0\u514b\uff08Brad Fitzpatrick\uff09\u6240\u7814\u53d1\u7684\u4e00\u5957\u9ad8\u6027\u80fd\u7684\u5206\u5e03\u5f0f\u5185\u5b58\u5bf9\u8c61\u7f13\u5b58\u7cfb\u7edf\u3002\u8be5\u7cfb\u7edf\u901a\u8fc7\u5728\u5185\u5b58\u4e2d\u7f13\u5b58\u6570\u636e\u548c\u5bf9\u8c61\u6765\u51cf\u5c11\u8bfb\u53d6\u6570\u636e\u5e93\u7684\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u7f51\u7ad9\u8bbf\u95ee\u901f\u5ea6\u3002\r\n\r\nMemcached 1.4.37\u4e4b\u524d\u7248\u672c\u4e2d\u7684items.c\u6587\u4ef6\u7684\u0027item_free()\u0027\u51fd\u6570\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u5bf9memcached\u7684\u7f51\u7edc\u8fde\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u635f\u574f\u6570\u636e\u5e76\u9020\u6210\u6b7b\u9501\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": "Memcached \u0027item_free()\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Memcached Memcachedb \u003c=1.4.37"
  },
  "referenceLink": "https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00\r\nhttps://github.com/memcached/memcached/issues/271\r\nhttps://github.com/memcached/memcached/wiki/ReleaseNotes1437",
  "serverity": "\u9ad8",
  "submitTime": "2018-03-15",
  "title": "Memcached \u0027item_free()\u0027\u51fd\u6570\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2018-1000127 (GCVE-0-2018-1000127)

Vulnerability from cvelistv5 – Published: 2018-03-13 21:00 – Updated: 2024-08-05 12:33

Summary

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

7 references

URL	Tags
https://access.redhat.com/errata/RHSA-2018:2290	vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://github.com/memcached/memcached/commit/a8c…	x_refsource_CONFIRM
https://usn.ubuntu.com/3601-1/	vendor-advisoryx_refsource_UBUNTU
https://www.debian.org/security/2018/dsa-4218	vendor-advisoryx_refsource_DEBIAN
https://github.com/memcached/memcached/wiki/Relea…	x_refsource_CONFIRM
https://github.com/memcached/memcached/issues/271	x_refsource_CONFIRM

Date Public

2018-03-13 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.

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

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Action not permitted

CNVD-2018-06030

CVE-2018-1000127 (GCVE-0-2018-1000127)

Tags

Sightings

Nomenclature

Related by attack behaviour