cnvd - cnvd-2019-41451

cnvd-2019-41451

Vulnerability from cnvd

Title: tcpdump栈缓冲区过读漏洞

Description:

TcpDump可以将网络中传送的数据包完全截获下来提供分析。它支持针对网络层、协议、主机、网络或端口的过滤，并提供and、or、not等逻辑语句来帮助你去掉无用的信息。

tcpdump 4.9.2中的print-hncp.c的print_prefix函数存在栈缓冲区过读漏洞。该漏洞源于缺少初始化。攻击者可通过特制包数据利用该漏洞导致缓冲区过读。

Severity: 中

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新： http://www.tcpdump.org/#latest-releases

Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-19519

Impacted products

Name
Tcpdump tcpdump 4.9.2

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-19519"
    }
  },
  "description": "TcpDump\u53ef\u4ee5\u5c06\u7f51\u7edc\u4e2d\u4f20\u9001\u7684\u6570\u636e\u5305\u5b8c\u5168\u622a\u83b7\u4e0b\u6765\u63d0\u4f9b\u5206\u6790\u3002\u5b83\u652f\u6301\u9488\u5bf9\u7f51\u7edc\u5c42\u3001\u534f\u8bae\u3001\u4e3b\u673a\u3001\u7f51\u7edc\u6216\u7aef\u53e3\u7684\u8fc7\u6ee4\uff0c\u5e76\u63d0\u4f9band\u3001or\u3001not\u7b49\u903b\u8f91\u8bed\u53e5\u6765\u5e2e\u52a9\u4f60\u53bb\u6389\u65e0\u7528\u7684\u4fe1\u606f\u3002\n\ntcpdump 4.9.2\u4e2d\u7684print-hncp.c\u7684print_prefix\u51fd\u6570\u5b58\u5728\u6808\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f3a\u5c11\u521d\u59cb\u5316\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u5305\u6570\u636e\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u8fc7\u8bfb\u3002",
  "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\nhttp://www.tcpdump.org/#latest-releases",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-41451",
  "openTime": "2019-11-20",
  "products": {
    "product": "Tcpdump tcpdump 4.9.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-19519",
  "serverity": "\u4e2d",
  "submitTime": "2018-11-26",
  "title": "tcpdump\u6808\u7f13\u51b2\u533a\u8fc7\u8bfb\u6f0f\u6d1e"
}

CVE-2018-19519 (GCVE-0-2018-19519)

Vulnerability from cvelistv5

Published

2018-11-25 20:00

Modified

2024-08-05 11:37

Severity ?

CWE

Summary

In tcpdump 4.9.2, a stack-based buffer over-read exists in the print_prefix function of print-hncp.c via crafted packet data because of missing initialization.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/106098	vdb-entry, x_refsource_BID
	https://github.com/zyingp/temp/blob/master/tcpdump.md	x_refsource_MISC
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2UDPOSGVJQIYC33SQBXMDXHH4QDSDMU/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNYXF3IY2X65IOD422SA6EQUULSGW7FN/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/62XY42U6HY3H2APR5EHNWCZ7SAQNMMJN/	vendor-advisory, x_refsource_FEDORA
	https://access.redhat.com/errata/RHSA-2019:3976	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/4252-2/	vendor-advisory, x_refsource_UBUNTU
	https://usn.ubuntu.com/4252-1/	vendor-advisory, x_refsource_UBUNTU
	https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516	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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