CVE-2017-5940

Firejail before 0.9.44.6 and 0.9.38.x LTS before 0.9.38.10 LTS does not comprehensively address dotfile cases during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-5180.

• CWE-269

• http://www.openwall.com/lists/oss-security/2017/01/31/16Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/96221Third Party Advisory, VDB Entry
• https://firejail.wordpress.com/download-2/release-notes/Release Notes, Vendor Advisory
• https://github.com/netblue30/firejail/commit/38d418505e9ee2d326557e5639e8da49c298858fIssue Tracking, Patch, Third Party Advisory
• https://github.com/netblue30/firejail/commit/903fd8a0789ca3cc3c21d84cd0282481515592efIssue Tracking, Patch, Third Party Advisory
• https://github.com/netblue30/firejail/commit/b8a4ff9775318ca5e679183884a6a63f3da8f863Issue Tracking, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201702-03Third Party Advisory
• http://www.openwall.com/lists/oss-security/2017/01/31/16Mailing List, Patch, Third Party Advisory
• http://www.securityfocus.com/bid/96221Third Party Advisory, VDB Entry
• https://firejail.wordpress.com/download-2/release-notes/Release Notes, Vendor Advisory
• https://github.com/netblue30/firejail/commit/38d418505e9ee2d326557e5639e8da49c298858fIssue Tracking, Patch, Third Party Advisory
• https://github.com/netblue30/firejail/commit/903fd8a0789ca3cc3c21d84cd0282481515592efIssue Tracking, Patch, Third Party Advisory
• https://github.com/netblue30/firejail/commit/b8a4ff9775318ca5e679183884a6a63f3da8f863Issue Tracking, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/201702-03Third Party Advisory

Published

Feb 9, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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