| Bug ID | 1181990 |
|---|---|
| Summary | VUL-0: CVE-2021-26910: firejail: root privilege escalation due to race condition |
| Classification | openSUSE |
| Product | openSUSE Distribution |
| Version | Leap 15.2 |
| Hardware | Other |
| URL | https://smash.suse.de/issue/277467/ |
| OS | Other |
| Status | NEW |
| Severity | Major |
| Priority | P5 - None |
| Component | Security |
| Assignee | sebix+novell.com@sebix.at |
| Reporter | atoptsoglou@suse.com |
| QA Contact | security-team@suse.de |
| Found By | Security Response Team |
| Blocker | --- |
CVE-2021-26910 Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation. References: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-26910 http://www.openwall.com/lists/oss-security/2021/02/09/1 http://seclists.org/oss-sec/2021/q1/122 https://github.com/netblue30/firejail/releases/tag/0.9.64.4 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26910 https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/ https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26910 https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b