cnvd - cnvd-2018-05205

cnvd-2018-05205

Vulnerability from cnvd

Title: powerpc和Intel i386 GNU C Library整数溢出漏洞

Description:

powerpc是一种精简指令集架构的CPU（中央处理器）。Intel i386是美国英特尔（Intel）公司的一款x86系列CPU（中央处理器）。GNU C Library（又名glibc，libc6）是其中的一套按照LGPL许可协议发布的开源免费的C语言编译程序。

powerpc上的GNU C Library 2.24版本至2.26版本和Intel i386上的GNU C Library 2.26版本中的malloc实现存在整数溢出漏洞，该漏洞源于程序未能正确的处理malloc调用，并向堆区域回复较小的指针。攻击者可利用该漏洞造成堆损坏。

Severity: 高

Patch Name: powerpc和Intel i386 GNU C Library整数溢出漏洞的补丁

Patch Description:

powerpc上的GNU C Library 2.24版本至2.26版本和Intel i386上的GNU C Library 2.26版本中的malloc实现存在整数溢出漏洞，该漏洞源于程序未能正确的处理malloc调用，并向堆区域回复较小的指针。攻击者可利用该漏洞造成堆破坏。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，详情请关注厂商主页： https://www.gnu.org/

Reference: https://sourceware.org/bugzilla/show_bug.cgi?id=22774

Impacted products

Name
GNU C Library 2.26

Show details on source website

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{
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    "cve": {
      "cveNumber": "CVE-2018-6551",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6551"
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  "discovererName": "Arjun Shankar",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://www.gnu.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-05205",
  "openTime": "2018-03-14",
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  "patchName": "powerpc\u548cIntel i386 GNU C Library\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU C Library 2.26"
  },
  "referenceLink": "https://sourceware.org/bugzilla/show_bug.cgi?id=22774",
  "serverity": "\u9ad8",
  "submitTime": "2018-02-08",
  "title": "powerpc\u548cIntel i386 GNU C Library\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2018-6551 (GCVE-0-2018-6551)

Vulnerability from cvelistv5

Published

2018-02-02 14:00

Modified

2024-08-05 06:10

Severity ?

CWE

Summary

The malloc implementation in the GNU C Library (aka glibc or libc6), from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZE_MAX and could return a pointer to a heap region that is smaller than requested, eventually leading to heap corruption.

References

▼	URL	Tags
	https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=8e448310d74b283c5cd02b9ed7fb997b47bf9b22	x_refsource_CONFIRM
	https://sourceware.org/bugzilla/show_bug.cgi?id=22774	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20190404-0003/	x_refsource_CONFIRM

Impacted products

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

Show details on NVD website

JSON

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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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