cnvd - cnvd-2016-09593

CNVD-2016-09593

Vulnerability from cnvd - Published: 2016-10-20

Title

systemd本地拒绝服务漏洞

Description

systemd是德国软件开发者Lennart Poettering和其他人共同研发的一款基于Linux的系统和服务管理器，它兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。 Systemd中存在拒绝服务漏洞，攻击者可利用该漏洞造成拒绝服务。

Severity

低

Patch Name

systemd本地拒绝服务漏洞的补丁

Patch Description

systemd是德国软件开发者Lennart Poettering和其他人共同研发的一款基于Linux的系统和服务管理器，它兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。 Systemd中存在拒绝服务漏洞，攻击者可利用该漏洞造成拒绝服务。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

目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： https://www.freedesktop.org/wiki/Software/systemd/

Reference

http://www.securityfocus.com/bid/93250

Impacted products

Name
systemd systemd >=209

Show details on source website

JSON

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{
  "bids": {
    "bid": {
      "bidNumber": "93250"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-7796"
    }
  },
  "description": "systemd\u662f\u5fb7\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005Lennart Poettering\u548c\u5176\u4ed6\u4eba\u5171\u540c\u7814\u53d1\u7684\u4e00\u6b3e\u57fa\u4e8eLinux\u7684\u7cfb\u7edf\u548c\u670d\u52a1\u7ba1\u7406\u5668\uff0c\u5b83\u517c\u5bb9\u4e86SysV\u548cLSB\u7684\u542f\u52a8\u811a\u672c\uff0c\u4e14\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7528\u6765\u8868\u793a\u7cfb\u7edf\u670d\u52a1\u95f4\u4f9d\u8d56\u5173\u7cfb\u7684\u6846\u67b6\u3002\r\n\r\nSystemd\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "Andrew Ayer",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a \r\nhttps://www.freedesktop.org/wiki/Software/systemd/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-09593",
  "openTime": "2016-10-20",
  "patchDescription": "systemd\u662f\u5fb7\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005Lennart Poettering\u548c\u5176\u4ed6\u4eba\u5171\u540c\u7814\u53d1\u7684\u4e00\u6b3e\u57fa\u4e8eLinux\u7684\u7cfb\u7edf\u548c\u670d\u52a1\u7ba1\u7406\u5668\uff0c\u5b83\u517c\u5bb9\u4e86SysV\u548cLSB\u7684\u542f\u52a8\u811a\u672c\uff0c\u4e14\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7528\u6765\u8868\u793a\u7cfb\u7edf\u670d\u52a1\u95f4\u4f9d\u8d56\u5173\u7cfb\u7684\u6846\u67b6\u3002\r\n\r\nSystemd\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\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": "systemd\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "systemd systemd \u003e=209"
  },
  "referenceLink": "http://www.securityfocus.com/bid/93250",
  "serverity": "\u4f4e",
  "submitTime": "2016-10-13",
  "title": "systemd\u672c\u5730\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2016-7796 (GCVE-0-2016-7796)

Vulnerability from cvelistv5 – Published: 2016-10-13 14:00 – Updated: 2024-08-06 02:04

Summary

The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.openwall.com/lists/oss-security/2016/09/30/1	mailing-listx_refsource_MLIST
	https://www.agwa.name/blog/post/how_to_crash_syst…	x_refsource_MISC
	https://github.com/systemd/systemd/issues/4234#is…	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://bugzilla.redhat.com/show_bug.cgi?id=1381911	x_refsource_CONFIRM
	http://rhn.redhat.com/errata/RHSA-2017-0003.html	vendor-advisoryx_refsource_REDHAT
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://www.securitytracker.com/id/1037320	vdb-entryx_refsource_SECTRACK
	http://www.securityfocus.com/bid/93250	vdb-entryx_refsource_BID
	https://rhn.redhat.com/errata/RHBA-2015-2092.html	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2016-09593

CVE-2016-7796 (GCVE-0-2016-7796)

Tags

Sightings

Nomenclature