cnvd - cnvd-2018-06030

cnvd-2018-06030

Vulnerability from cnvd

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:

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。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： 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

{
  "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

Modified

2024-08-05 12:33

Severity ?

CWE

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.

References

▼	URL	Tags
	https://access.redhat.com/errata/RHSA-2018:2290	vendor-advisory, x_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html	mailing-list, x_refsource_MLIST
	https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00	x_refsource_CONFIRM
	https://usn.ubuntu.com/3601-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.debian.org/security/2018/dsa-4218	vendor-advisory, x_refsource_DEBIAN
	https://github.com/memcached/memcached/wiki/ReleaseNotes1437	x_refsource_CONFIRM
	https://github.com/memcached/memcached/issues/271	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date

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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