Vulnerability-Lookup

CNVD-2018-13769

Vulnerability from cnvd - Published: 2018-07-24

Title

xdg-utils xdg-open 'open_envvar'函数注入漏洞

Description

xdg-utils是一套用于帮助应用程序与各种桌面任务进行集成的命令行工具。xdg-open是其中的一个用于打开文件或URL的程序。 xdg-utils 1.1.3之前版本中的xdg-open的'open_envvar'函数存在安全漏洞，该漏洞源于程序在启动由BROWSER环境变量指定的程序之前未能验证字符串。远程攻击者可借助特制的URL利用该漏洞重定向浏览器流量。

Severity

中

Patch Name

xdg-utils xdg-open 'open_envvar'函数注入漏洞的补丁

Patch Description

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://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog

Reference

https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog https://bugs.freedesktop.org/show_bug.cgi?id=103807

Impacted products

Name
['Gentoo xdg-utils <1.1.3', 'Xdg-Utils xdg-utils <1.1.3']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-18266",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18266"
    }
  },
  "description": "xdg-utils\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u5e94\u7528\u7a0b\u5e8f\u4e0e\u5404\u79cd\u684c\u9762\u4efb\u52a1\u8fdb\u884c\u96c6\u6210\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002xdg-open\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u6253\u5f00\u6587\u4ef6\u6216URL\u7684\u7a0b\u5e8f\u3002\r\n\r\nxdg-utils 1.1.3\u4e4b\u524d\u7248\u672c\u4e2d\u7684xdg-open\u7684\u0027open_envvar\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u542f\u52a8\u7531BROWSER\u73af\u5883\u53d8\u91cf\u6307\u5b9a\u7684\u7a0b\u5e8f\u4e4b\u524d\u672a\u80fd\u9a8c\u8bc1\u5b57\u7b26\u4e32\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684URL\u5229\u7528\u8be5\u6f0f\u6d1e\u91cd\u5b9a\u5411\u6d4f\u89c8\u5668\u6d41\u91cf\u3002",
  "discovererName": "Gabriel Corona",
  "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://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-13769",
  "openTime": "2018-07-24",
  "patchDescription": "xdg-utils\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u5e94\u7528\u7a0b\u5e8f\u4e0e\u5404\u79cd\u684c\u9762\u4efb\u52a1\u8fdb\u884c\u96c6\u6210\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002xdg-open\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u7528\u4e8e\u6253\u5f00\u6587\u4ef6\u6216URL\u7684\u7a0b\u5e8f\u3002\r\n\r\nxdg-utils 1.1.3\u4e4b\u524d\u7248\u672c\u4e2d\u7684xdg-open\u7684\u0027open_envvar\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u542f\u52a8\u7531BROWSER\u73af\u5883\u53d8\u91cf\u6307\u5b9a\u7684\u7a0b\u5e8f\u4e4b\u524d\u672a\u80fd\u9a8c\u8bc1\u5b57\u7b26\u4e32\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684URL\u5229\u7528\u8be5\u6f0f\u6d1e\u91cd\u5b9a\u5411\u6d4f\u89c8\u5668\u6d41\u91cf\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": "xdg-utils xdg-open \u0027open_envvar\u0027\u51fd\u6570\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Gentoo xdg-utils \u003c1.1.3",
      "Xdg-Utils xdg-utils \u003c1.1.3"
    ]
  },
  "referenceLink": "https://cgit.freedesktop.org/xdg/xdg-utils/tree/ChangeLog\r\nhttps://bugs.freedesktop.org/show_bug.cgi?id=103807",
  "serverity": "\u4e2d",
  "submitTime": "2018-05-15",
  "title": "xdg-utils xdg-open \u0027open_envvar\u0027\u51fd\u6570\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2017-18266 (GCVE-0-2017-18266)

Vulnerability from cvelistv5 – Published: 2018-05-10 14:00 – Updated: 2024-08-05 21:13

Summary

The open_envvar function in xdg-open in xdg-utils before 1.1.3 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL, as demonstrated by %s in this environment variable.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

7 references

URL	Tags
https://cgit.freedesktop.org/xdg/xdg-utils/commit…	x_refsource_MISC
https://cgit.freedesktop.org/xdg/xdg-utils/tree/C…	x_refsource_MISC
https://usn.ubuntu.com/3650-1/	vendor-advisoryx_refsource_UBUNTU
https://lists.debian.org/debian-lts-announce/2018…	mailing-listx_refsource_MLIST
https://www.debian.org/security/2018/dsa-4211	vendor-advisoryx_refsource_DEBIAN
https://bugs.freedesktop.org/show_bug.cgi?id=103807	x_refsource_MISC
https://cgit.freedesktop.org/xdg/xdg-utils/commit…	x_refsource_MISC

Date Public

2018-05-10 00:00

Show details on NVD website

JSON

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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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.