cnvd - cnvd-2019-07013

cnvd-2019-07013

Vulnerability from cnvd

Title

GNU C Library本地拒绝服务漏洞

Description

GNU C Library (glibc)是一种按照LGPL许可协议发布的、开源、免费、方便从网络下载的C的编译程序。 GNU C Library 2.29及更早版本中的x32架构的memcmp函数存在本地拒绝服务漏洞，攻击者可以利用此问题导致拒绝服务情况。

Severity

低

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://www.gnu.org/software/libc/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-7309

Impacted products

Name
Gnu C Library <=2.29

Show details on source website

To clipboard

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    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-7309"
    }
  },
  "description": "GNU C Library (glibc)\u662f\u4e00\u79cd\u6309\u7167LGPL\u8bb8\u53ef\u534f\u8bae\u53d1\u5e03\u7684\u3001\u5f00\u6e90\u3001\u514d\u8d39\u3001\u65b9\u4fbf\u4ece\u7f51\u7edc\u4e0b\u8f7d\u7684C\u7684\u7f16\u8bd1\u7a0b\u5e8f\u3002\n\nGNU C Library 2.29\u53ca\u66f4\u65e9\u7248\u672c\u4e2d\u7684x32\u67b6\u6784\u7684memcmp\u51fd\u6570\u5b58\u5728\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6b64\u95ee\u9898\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u60c5\u51b5\u3002",
  "discovererName": "Dhananjay Arunesh",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://www.gnu.org/software/libc/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07013",
  "openTime": "2019-03-13",
  "products": {
    "product": "Gnu C Library \u003c=2.29"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-7309",
  "serverity": "\u4f4e",
  "submitTime": "2019-02-03",
  "title": "GNU C Library\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2019-7309 (GCVE-0-2019-7309)

Vulnerability from cvelistv5

Published

2019-02-03 02:00

Modified

2024-08-04 20:46

Severity ?

CWE

n/a

Summary

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.

References

URL

Tags

	http://www.securityfocus.com/bid/106835	vdb-entry, x_refsource_BID
	https://sourceware.org/bugzilla/show_bug.cgi?id=24155	x_refsource_MISC
	https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html	x_refsource_MISC
	https://security.gentoo.org/glsa/202006-04	vendor-advisory, x_refsource_GENTOO

Impacted products

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

Show details on NVD website

To clipboard

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