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

JSON

To clipboard

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    "bid": {
      "bidNumber": "106835"
    }
  },
  "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

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

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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