CVE-2021-41617 — sshd in OpenSSH 6.2 through 8.x before 8.8, when certain...
CVE-2021-41617 漏洞深度分析
漏洞概述
CVE 编号: CVE-2021-41617
CVSS 评分: 7.0(HIGH)
CVSS 向量: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE 分类: 暂无
漏洞状态: Modified
发布时间: 2021-09-26T19:15:07.263
最后更新: 2026-07-14T12:16:47.153
漏洞描述
sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.
影响分析
此漏洞的具体影响取决于实际利用场景。"
修复建议
- 及时关注厂商发布的安全更新和补丁
- 升级受影响组件到最新版本
- 如无法立即升级,参考厂商提供的临时缓解措施
- 加强网络访问控制和监控
参考链接
- https://bugzilla.suse.com/show_bug.cgi?id=1190975
- https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
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