漏洞信息详情
Firejail 访问控制错误漏洞
漏洞简介
Firejail是一款使用C语言编写的SUID沙箱程序。
Firejail 0.9.64.4之前的版本存在访问控制错误漏洞,该漏洞源于在stat操作和OverlayFS mount操作之间存在totou竞争条件,允许攻击者绕过预期的访问限制。
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://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
参考网址
来源:MISC
链接:https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
来源:GENTOO
链接:https://security.gentoo.org/glsa/202105-19
来源:MISC
链接:https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
来源:MLIST
链接:https://lists.debian.org/debian-lts-announce/2021/02/msg00015.html
来源:DEBIAN
链接:https://www.debian.org/security/2021/dsa-4849
来源:MLIST
链接:http://www.openwall.com/lists/oss-security/2021/02/09/1
来源:MISC
链接:https://github.com/netblue30/firejail/releases/tag/0.9.64.4
来源:MISC
链接:https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
来源:www.cybersecurity-help.cz
链接:https://www.cybersecurity-help.cz/vdb/SB2021052613
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.0463
来源:nvd.nist.gov
链接:https://nvd.nist.gov/vuln/detail/CVE-2021-26910
来源:vigilance.fr
链接:https://vigilance.fr/vulnerability/Firejail-privilege-escalation-via-OverlayFS-34542
来源:www.auscert.org.au
链接:https://www.auscert.org.au/bulletins/ESB-2021.3866
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/164943/Ubuntu-Security-Notice-USN-5141-1.html
来源:packetstormsecurity.com
链接:https://packetstormsecurity.com/files/162795/Gentoo-Linux-Security-Advisory-202105-19.html
受影响实体
暂无
补丁
- Firejail 访问控制错误漏洞的修复措施<!--2021-2-8-->
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