Vulnerability-Lookup

CNVD-2018-08865

Vulnerability from cnvd - Published: 2018-05-03

Title

zsh utils.c:checkmailpath函数栈缓冲区溢出漏洞

Description

Z Shell(Zsh)是一种Unix shell，它可以用作为交互式的登录shell，也是一种shell脚本命令解释器。 zsh中的utils.c:checkmailpath函数存在栈缓冲区溢出漏洞。本地攻击者可利用该漏洞在另一个用户的上下文中执行任意代码。

Severity

中

Patch Name

zsh utils.c:checkmailpath函数栈缓冲区溢出漏洞的补丁

Patch Description

Z Shell(Zsh)是一种Unix shell，它可以用作为交互式的登录shell，也是一种shell脚本命令解释器。 zsh中的utils.c:checkmailpath函数存在栈缓冲区溢出漏洞。本地攻击者可利用该漏洞在另一个用户的上下文中执行任意代码。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

厂商已发布漏洞修复程序，请及时关注更新： https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-1100

Impacted products

Name
Zsh Zsh <=5.4.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-1100"
    }
  },
  "description": "Z Shell(Zsh)\u662f\u4e00\u79cdUnix shell\uff0c\u5b83\u53ef\u4ee5\u7528\u4f5c\u4e3a\u4ea4\u4e92\u5f0f\u7684\u767b\u5f55shell\uff0c\u4e5f\u662f\u4e00\u79cdshell\u811a\u672c\u547d\u4ee4\u89e3\u91ca\u5668\u3002\r\n\r\nzsh\u4e2d\u7684utils.c:checkmailpath\u51fd\u6570\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u53e6\u4e00\u4e2a\u7528\u6237\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "discovererName": "Richard Maciel Costa",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-08865",
  "openTime": "2018-05-03",
  "patchDescription": "Z Shell(Zsh)\u662f\u4e00\u79cdUnix shell\uff0c\u5b83\u53ef\u4ee5\u7528\u4f5c\u4e3a\u4ea4\u4e92\u5f0f\u7684\u767b\u5f55shell\uff0c\u4e5f\u662f\u4e00\u79cdshell\u811a\u672c\u547d\u4ee4\u89e3\u91ca\u5668\u3002\r\n\r\nzsh\u4e2d\u7684utils.c:checkmailpath\u51fd\u6570\u5b58\u5728\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u53e6\u4e00\u4e2a\u7528\u6237\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\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 utils.c:checkmailpath\u51fd\u6570\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Zsh Zsh \u003c=5.4.2"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-1100",
  "serverity": "\u4e2d",
  "submitTime": "2018-04-12",
  "title": "zsh utils.c:checkmailpath\u51fd\u6570\u6808\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2018-1100 (GCVE-0-2018-1100)

Vulnerability from cvelistv5 – Published: 2018-04-11 19:00 – Updated: 2024-08-05 03:51

Summary

zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.

Severity

No CVSS data available.

CWE

CWE-120 - >CWE-121

Assigner

redhat redhat root

References

7 references

URL	Tags
https://sourceforge.net/p/zsh/code/ci/31f72205630…	x_refsource_CONFIRM
https://usn.ubuntu.com/3764-1/	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/201805-10	vendor-advisoryx_refsource_GENTOO
https://access.redhat.com/errata/RHSA-2018:1932	vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=1563395	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2018:3073	vendor-advisoryx_refsource_REDHAT
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
zsh	zsh	Affected: through 5.4.2

Date Public

2018-04-07 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T03:51:48.499Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/"
          },
          {
            "name": "USN-3764-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/3764-1/"
          },
          {
            "name": "GLSA-201805-10",
            "tags": [
              "vendor-advisory",
              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201805-10"
          },
          {
            "name": "RHSA-2018:1932",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:1932"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1563395"
          },
          {
            "name": "RHSA-2018:3073",
            "tags": [
              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
            ],
            "url": "https://access.redhat.com/errata/RHSA-2018:3073"
          },
          {
            "name": "[debian-lts-announce] 20201201 [SECURITY] [DLA 2470-1] zsh security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "zsh",
          "vendor": "zsh",
          "versions": [
            {
              "status": "affected",
              "version": "through 5.4.2"
            }
          ]
        }
      ],
      "datePublic": "2018-04-07T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120-\u003eCWE-121",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-01T06:06:15.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/"
        },
        {
          "name": "USN-3764-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/3764-1/"
        },
        {
          "name": "GLSA-201805-10",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/201805-10"
        },
        {
          "name": "RHSA-2018:1932",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:1932"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1563395"
        },
        {
          "name": "RHSA-2018:3073",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2018:3073"
        },
        {
          "name": "[debian-lts-announce] 20201201 [SECURITY] [DLA 2470-1] zsh security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00000.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2018-1100",
    "datePublished": "2018-04-11T19:00:00.000Z",
    "dateReserved": "2017-12-04T00:00:00.000Z",
    "dateUpdated": "2024-08-05T03:51:48.499Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

CNVD-2018-08865

CVE-2018-1100 (GCVE-0-2018-1100)

Tags

Sightings

Nomenclature

Related by attack behaviour