Date: Wed, 7 Apr 2021 11:24:45 GMT From: Philip Paeps <philip@FreeBSD.org> To: ports-committers@FreeBSD.org, dev-commits-ports-all@FreeBSD.org, dev-commits-ports-main@FreeBSD.org Subject: git: 86fc557be0a9 - main - security/vuxml: add FreeBSD SA-21:10.jail_mount Message-ID: <202104071124.137BOjP0087594@gitrepo.freebsd.org>
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The branch main has been updated by philip: URL: https://cgit.FreeBSD.org/ports/commit/?id=86fc557be0a913534306ca1451e9862b65a3f7dc commit 86fc557be0a913534306ca1451e9862b65a3f7dc Author: Philip Paeps <philip@FreeBSD.org> AuthorDate: 2021-04-07 11:20:52 +0000 Commit: Philip Paeps <philip@FreeBSD.org> CommitDate: 2021-04-07 11:24:15 +0000 security/vuxml: add FreeBSD SA-21:10.jail_mount --- security/vuxml/vuln.xml | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/security/vuxml/vuln.xml b/security/vuxml/vuln.xml index ed7a6e697896..6587e1795852 100644 --- a/security/vuxml/vuln.xml +++ b/security/vuxml/vuln.xml @@ -76,6 +76,38 @@ Notes: * Do not forget port variants (linux-f10-libxml2, libxml2, etc.) --> <vuxml xmlns="http://www.vuxml.org/apps/vuxml-1">; + <vuln vid="a7b97d26-9792-11eb-b87a-901b0ef719ab"> + <topic>FreeBSD -- jail escape possible by mounting over jail root</topic> + <affects> + <package> + <name>FreeBSD-kernel</name> + <range><ge>12.2</ge><lt>12.2_6</lt></range> + <range><ge>11.4</ge><lt>11.4_9</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml">; + <h1>Problem Description:</h1> + <p>Due to a race condition between lookup of ".." and remounting a filesystem, + a process running inside a jail might access filesystem hierarchy outside + of jail.</p> + <h1>Impact:</h1> + <p>A process with superuser privileges running inside a jail configured + with the allow.mount permission (not enabled by default) could change the root + directory outside of the jail, and thus gain full read and write access + to all files and directories in the system.</p> + </body> + </description> + <references> + <cvename>CVE-2020-25584</cvename> + <freebsdsa>SA-21:10.jail_mount</freebsdsa> + </references> + <dates> + <discovery>2021-04-06</discovery> + <entry>2021-04-07</entry> + </dates> + </vuln> + <vuln vid="f8e1e2a6-9791-11eb-b87a-901b0ef719ab"> <topic>FreeBSD -- double free in accept_filter(9) socket configuration interface</topic> <affects>
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