漏洞信息详情
Snapd 输入验证错误漏洞
漏洞简介
Snapd是开源的一个跨平台的包管理工具。
snapd 2.54.2版本存在安全漏洞,该漏洞源于软件未能对snap内容界面和布局路径执行充分的验证,导致snap能够通过变形的内容界面和布局声明注入任意的AppArmor策略规则,从而逃脱严格的snap限制。
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://ubuntu.com/security/notices/USN-5292-1
参考网址
来源:MISC
链接:https://ubuntu.com/security/notices/USN-5292-1
来源:MLIST
链接:http://www.openwall.com/lists/oss-security/2022/02/18/2
来源:MISC
链接:https://bugs.launchpad.net/snapd/+bug/1949368
来源:FEDORA
链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/XCGHG6LJAVJJ72TMART6A7N4Z6MSTGI7/
来源:FEDORA
链接:https://lists.fedoraproject.org/archives/list/[email protected]/message/3QTBN7LLZISXIA4KU4UKDR27Q5PXDS2U/
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/166056/Ubuntu-Security-Notice-USN-5292-2.html
来源:cxsecurity.com
链接:https://cxsecurity.com/cveshow/CVE-2021-4120/
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/166139/Ubuntu-Security-Notice-USN-5292-4.html
来源:www.cybersecurity-help.cz
链接:https://www.cybersecurity-help.cz/vdb/SB2022022122
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.0815
来源:vigilance.fr
链接:https://vigilance.fr/vulnerability/snapd-privilege-escalation-via-AppArmor-Policy-Rules-37597
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2022.0713
来源:nvd.nist.gov
链接:https://nvd.nist.gov/vuln/detail/CVE-2021-4120
受影响实体
暂无
补丁
- Snapd 输入验证错误漏洞的修复措施<!--2022-2-17-->
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