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polkit 权限许可和访问控制问题漏洞

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漏洞信息详情

polkit 权限许可和访问控制问题漏洞

  • CNNVD编号：CNNVD-202106-211
    • <!--
  • 危害等级： 高危-->
  • 危害等级： 高危
  • CVE编号： CVE-2021-3560
  • 漏洞类型： 权限许可和访问控制问题
  • 发布时间： 2021-06-03
  • 威胁类型：
  • 更新时间： 2021-11-30
  • 厂        商：
  • 漏洞来源：

漏洞简介

polkit是一个在类 Unix操作系统中控制系统范围权限的组件。通过定义和审核权限规则，实现不同优先级进程间的通讯。

polkit 存在安全漏洞，该漏洞源于当请求进程在调用polkit_system_bus_name_get_creds_sync之前断开与dbus-daemon的连接时，该进程无法获得进程的唯一uid和pid，也无法验证请求进程的特权。

漏洞公告

目前厂商已发布升级补丁以修复漏洞，补丁获取链接：

https://gitlab.freedesktop.org/polkit/polkit/

参考网址

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021060718

来源:vigilance.fr

链接:https://vigilance.fr/vulnerability/polkit-privilege-escalation-via-polkit-system-bus-name-get-creds-sync-35615

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1928

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/165088/Polkit-Authentication-Bypass-Local-Privilege-Escalation.html

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021060912

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/163452/Polkit-D-Bus-Authentication-Bypass.html

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021071314

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2657

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/163142/Polkit-0.105-26-0.117-2-Privilege-Escalation.html

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2711

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.1940

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2320

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/163400/Red-Hat-Security-Advisory-2021-2555-01.html

来源:www.exploit-db.com

链接:https://www.exploit-db.com/exploits/50011

来源:access.redhat.com

链接:https://access.redhat.com/security/cve/cve-2021-3560

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021062312

来源:www.cybersecurity-help.cz

链接:https://www.cybersecurity-help.cz/vdb/SB2021070616

来源:www.auscert.org.au

链接:https://www.auscert.org.au/bulletins/ESB-2021.2201

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/162940/Red-Hat-Security-Advisory-2021-2236-01.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/163488/Gentoo-Linux-Security-Advisory-202107-31.html

来源:packetstormsecurity.com

链接:https://packetstormsecurity.com/files/163242/Red-Hat-Security-Advisory-2021-2522-01.html

受影响实体

    暂无


补丁

  • polkit 权限许可和访问控制问题漏洞的修复措施
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