cnvd - cnvd-2018-07571

cnvd-2018-07571

Vulnerability from cnvd

Title: Zsh本地堆栈缓冲区溢出漏洞

Description:

Zsh是一个使用在Linux系统中的交互式命令解释器和命令编程语言。

Zsh 5.4.2-test-1之前版本中的shell autocomplete功能存在安全漏洞。本地攻击者可通过创建特制的目录路径利用该漏洞执行代码，也可能提升权限。

Severity: 中

Patch Name: Zsh本地堆栈缓冲区溢出漏洞的补丁

Patch Description:

Zsh是一个使用在Linux系统中的交互式命令解释器和命令编程语言。

Zsh 5.4.2-test-1之前版本中的shell autocomplete功能存在安全漏洞。本地攻击者可通过创建特制的目录路径利用该漏洞执行代码，也可能提升权限。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1557382 https://www.securityfocus.com/bid/103572

Impacted products

Name
Zsh Zsh <5.4.2-test-1

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "103572"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1083"
    }
  },
  "description": "Zsh\u662f\u4e00\u4e2a\u4f7f\u7528\u5728Linux\u7cfb\u7edf\u4e2d\u7684\u4ea4\u4e92\u5f0f\u547d\u4ee4\u89e3\u91ca\u5668\u548c\u547d\u4ee4\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nZsh 5.4.2-test-1\u4e4b\u524d\u7248\u672c\u4e2d\u7684shell autocomplete\u529f\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u521b\u5efa\u7279\u5236\u7684\u76ee\u5f55\u8def\u5f84\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\uff0c\u4e5f\u53ef\u80fd\u63d0\u5347\u6743\u9650\u3002",
  "discovererName": "Zsh",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-07571",
  "openTime": "2018-04-12",
  "patchDescription": "Zsh\u662f\u4e00\u4e2a\u4f7f\u7528\u5728Linux\u7cfb\u7edf\u4e2d\u7684\u4ea4\u4e92\u5f0f\u547d\u4ee4\u89e3\u91ca\u5668\u548c\u547d\u4ee4\u7f16\u7a0b\u8bed\u8a00\u3002\r\n\r\nZsh 5.4.2-test-1\u4e4b\u524d\u7248\u672c\u4e2d\u7684shell autocomplete\u529f\u80fd\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u521b\u5efa\u7279\u5236\u7684\u76ee\u5f55\u8def\u5f84\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4ee3\u7801\uff0c\u4e5f\u53ef\u80fd\u63d0\u5347\u6743\u9650\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": "Zsh\u672c\u5730\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zsh Zsh \u003c5.4.2-test-1"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1557382\r\nhttps://www.securityfocus.com/bid/103572",
  "serverity": "\u4e2d",
  "submitTime": "2018-03-30",
  "title": "Zsh\u672c\u5730\u5806\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2018-1083 (GCVE-0-2018-1083)

Vulnerability from cvelistv5

Published

2018-03-28 13:00

Modified

2024-09-16 18:13

Severity ?

CWE

CWE-120 - ->CWE-121

Summary

Zsh before version 5.4.2-test-1 is vulnerable to a buffer overflow in the shell autocomplete functionality. A local unprivileged user can create a specially crafted directory path which leads to code execution in the context of the user who tries to use autocomplete to traverse the before mentioned path. If the user affected is privileged, this leads to privilege escalation.

References

▼	URL	Tags
	https://usn.ubuntu.com/3608-1/	vendor-advisory, x_refsource_UBUNTU
	http://www.securityfocus.com/bid/103572	vdb-entry, x_refsource_BID
	https://security.gentoo.org/glsa/201805-10	vendor-advisory, x_refsource_GENTOO
	https://sourceforge.net/p/zsh/code/ci/259ac472eac291c8c103c7a0d8a4eaf3c2942ed7	x_refsource_CONFIRM
	https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisory, x_refsource_REDHAT
	https://bugzilla.redhat.com/show_bug.cgi?id=1557382	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2018/03/msg00038.html	mailing-list, x_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisory, x_refsource_REDHAT
	https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	zsh	zsh	Version: before zsh 5.4.2-test-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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