cnvd - cnvd-2025-11925

cnvd-2025-11925

Vulnerability from cnvd

Title

Gnu Screen存在未明漏洞

Description

Gnu Screen是美国GNU社区的一个应用软件。提供一个物理终端上获得多个虚拟终端的效果。 Gnu Screen存在安全漏洞，该漏洞源于伪终端默认模式变更，攻击者可利用该漏洞导致公共写入。

Severity

中

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://www.gnu.org/

Reference

https://access.redhat.com/security/cve/cve-2025-46803

Impacted products

Name
Gnu Screen

Show details on source website

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-46803",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-46803"
    }
  },
  "description": "Gnu Screen\u662f\u7f8e\u56fdGNU\u793e\u533a\u7684\u4e00\u4e2a\u5e94\u7528\u8f6f\u4ef6\u3002\u63d0\u4f9b\u4e00\u4e2a\u7269\u7406\u7ec8\u7aef\u4e0a\u83b7\u5f97\u591a\u4e2a\u865a\u62df\u7ec8\u7aef\u7684\u6548\u679c\u3002\n\nGnu Screen\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u4f2a\u7ec8\u7aef\u9ed8\u8ba4\u6a21\u5f0f\u53d8\u66f4\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u516c\u5171\u5199\u5165\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://www.gnu.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-11925",
  "openTime": "2025-06-09",
  "products": {
    "product": "Gnu Screen"
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2025-46803",
  "serverity": "\u4e2d",
  "submitTime": "2025-05-28",
  "title": "Gnu Screen\u5b58\u5728\u672a\u660e\u6f0f\u6d1e"
}

CVE-2025-46803 (GCVE-0-2025-46803)

Vulnerability from cvelistv5

Published

2025-05-26 15:06

Modified

2025-05-27 14:12

Severity ?

5.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
5.1 (Medium) - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CWE

CWE-276 - Incorrect Default Permissions

Summary

The default mode of pseudo terminals (PTYs) allocated by Screen was changed from 0620 to 0622, thereby allowing anyone to write to any Screen PTYs in the system.

References

URL

Tags

	https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46803
	https://www.openwall.com/lists/oss-security/2025/05/12/1

Impacted products

	Vendor	Product	Version
			Version: 5.0 ≤ 5.0.0

Show details on NVD website

To clipboard

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