cnvd - cnvd-2020-44286

cnvd-2020-44286

Vulnerability from cnvd

Title: libssh空指针解引用漏洞

Description:

libssh是一个在客户端和服务器端实现SSHv2协议的多平台C库。

libssh 0.9.4中的tftpserver.c存在空指针解引用漏洞。目前没有详细的漏洞细节提供。

Severity: 高

Patch Name: libssh空指针解引用漏洞的补丁

Patch Description:

libssh是一个在客户端和服务器端实现SSHv2协议的多平台C库。

libssh 0.9.4中的tftpserver.c存在空指针解引用漏洞。目前没有详细的漏洞细节提供。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://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-16135

Impacted products

Name
libssh libssh 0.9.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-16135",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135"
    }
  },
  "description": "libssh\u662f\u4e00\u4e2a\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5b9e\u73b0SSHv2\u534f\u8bae\u7684\u591a\u5e73\u53f0C\u5e93\u3002\n\nlibssh 0.9.4\u4e2d\u7684tftpserver.c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-44286",
  "openTime": "2020-08-04",
  "patchDescription": "libssh\u662f\u4e00\u4e2a\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u5b9e\u73b0SSHv2\u534f\u8bae\u7684\u591a\u5e73\u53f0C\u5e93\u3002\r\n\r\nlibssh 0.9.4\u4e2d\u7684tftpserver.c\u5b58\u5728\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u7ec6\u8282\u63d0\u4f9b\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": "libssh\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libssh libssh 0.9.4"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-16135",
  "serverity": "\u9ad8",
  "submitTime": "2020-07-30",
  "title": "libssh\u7a7a\u6307\u9488\u89e3\u5f15\u7528\u6f0f\u6d1e"
}

CVE-2020-16135 (GCVE-0-2020-16135)

Vulnerability from cvelistv5

Published

2020-07-29 20:20

Modified

2024-08-04 13:37

Severity ?

CWE

Summary

libssh 0.9.4 has a NULL pointer dereference in tftpserver.c if ssh_buffer_new returns NULL.

References

▼	URL	Tags
	https://bugs.libssh.org/T232	x_refsource_MISC
	https://bugs.libssh.org/rLIBSSHe631ebb3e2247dd25e9678e6827c20dc73b73238	x_refsource_MISC
	https://gitlab.com/libssh/libssh-mirror/-/merge_requests/120	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020/07/msg00034.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4447-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNW5GBC6JFN76VEWQXMLT5F7VCZ5AJ2E/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCIKQRKXAAB4HMWM62EPZJ4DVBHIIEG6/	vendor-advisory, x_refsource_FEDORA
	https://security.gentoo.org/glsa/202011-05	vendor-advisory, x_refsource_GENTOO
	https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC

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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