cnvd - cnvd-2019-07802

cnvd-2019-07802

Vulnerability from cnvd

Title: libssh2越界读取漏洞（CNVD-2019-07802 ）

Description:

libssh2是一款实现SSH2协议的客户端C库，它能够执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。

libssh2中存在越界读取漏洞，远程攻击者可借助特制的SFTP数据包利用该漏洞造成拒绝服务或读取客户端内存中的数据。

Severity: 中

Patch Name: libssh2越界读取漏洞（CNVD-2019-07802 ）的补丁

Patch Description:

libssh2是一款实现SSH2协议的客户端C库，它能够执行远程命令、文件传输，同时为远程的程序提供安全的传输通道。

libssh2中存在越界读取漏洞，远程攻击者可借助特制的SFTP数据包利用该漏洞造成拒绝服务或读取客户端内存中的数据。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://www.libssh2.org/CVE-2019-3860.html

Reference: https://vigilance.fr/vulnerability/libssh2-multiple-vulnerabilities-28768

Impacted products

Name
libssh2 libssh2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-3860"
    }
  },
  "description": "libssh2\u662f\u4e00\u6b3e\u5b9e\u73b0SSH2\u534f\u8bae\u7684\u5ba2\u6237\u7aefC\u5e93\uff0c\u5b83\u80fd\u591f\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4\u3001\u6587\u4ef6\u4f20\u8f93\uff0c\u540c\u65f6\u4e3a\u8fdc\u7a0b\u7684\u7a0b\u5e8f\u63d0\u4f9b\u5b89\u5168\u7684\u4f20\u8f93\u901a\u9053\u3002\n\nlibssh2\u4e2d\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684SFTP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u8bfb\u53d6\u5ba2\u6237\u7aef\u5185\u5b58\u4e2d\u7684\u6570\u636e\u3002",
  "discovererName": "Chris Coulson",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.libssh2.org/CVE-2019-3860.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07802",
  "openTime": "2019-03-22",
  "patchDescription": "libssh2\u662f\u4e00\u6b3e\u5b9e\u73b0SSH2\u534f\u8bae\u7684\u5ba2\u6237\u7aefC\u5e93\uff0c\u5b83\u80fd\u591f\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4\u3001\u6587\u4ef6\u4f20\u8f93\uff0c\u540c\u65f6\u4e3a\u8fdc\u7a0b\u7684\u7a0b\u5e8f\u63d0\u4f9b\u5b89\u5168\u7684\u4f20\u8f93\u901a\u9053\u3002\r\n\r\nlibssh2\u4e2d\u5b58\u5728\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684SFTP\u6570\u636e\u5305\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u8bfb\u53d6\u5ba2\u6237\u7aef\u5185\u5b58\u4e2d\u7684\u6570\u636e\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": "libssh2\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2019-07802 \uff09\u7684\u8865\u4e01",
  "products": {
    "product": "libssh2 libssh2"
  },
  "referenceLink": "https://vigilance.fr/vulnerability/libssh2-multiple-vulnerabilities-28768",
  "serverity": "\u4e2d",
  "submitTime": "2019-03-20",
  "title": "libssh2\u8d8a\u754c\u8bfb\u53d6\u6f0f\u6d1e\uff08CNVD-2019-07802 \uff09"
}

CVE-2019-3860 (GCVE-0-2019-3860)

Vulnerability from cvelistv5

Published

2019-03-25 18:30

Modified

2024-08-04 19:19

Severity ?

5.0 (Medium) - CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

CWE

CWE-125

Summary

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

References

▼	URL	Tags
	https://www.libssh2.org/CVE-2019-3860.html	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3860	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2019/03/msg00032.html	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20190327-0005/	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00040.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00003.html	vendor-advisory, x_refsource_SUSE
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5DK6VO2CEUTAJFYIKWNZKEKYMYR3NO2O/	vendor-advisory, x_refsource_FEDORA
	https://www.debian.org/security/2019/dsa-4431	vendor-advisory, x_refsource_DEBIAN
	https://seclists.org/bugtraq/2019/Apr/25	mailing-list, x_refsource_BUGTRAQ
	http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00072.html	vendor-advisory, x_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2019/07/msg00028.html	mailing-list, x_refsource_MLIST
	https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	The libssh2 Project	libssh2	Version: 1.8.1

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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