diff options
author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
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committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /metadata/glsa/glsa-200509-15.xml |
reinit the tree, so we can have metadata
Diffstat (limited to 'metadata/glsa/glsa-200509-15.xml')
-rw-r--r-- | metadata/glsa/glsa-200509-15.xml | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/metadata/glsa/glsa-200509-15.xml b/metadata/glsa/glsa-200509-15.xml new file mode 100644 index 000000000000..762d958c3103 --- /dev/null +++ b/metadata/glsa/glsa-200509-15.xml @@ -0,0 +1,72 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200509-15"> + <title>util-linux: umount command validation error</title> + <synopsis> + A command validation error in umount can lead to an escalation of + privileges. + </synopsis> + <product type="ebuild">util-linux</product> + <announced>2005-09-20</announced> + <revised>2005-09-20: 01</revised> + <bug>105805</bug> + <access>local</access> + <affected> + <package name="sys-apps/util-linux" auto="yes" arch="*"> + <unaffected range="ge">2.12q-r3</unaffected> + <vulnerable range="lt">2.12q-r3</vulnerable> + </package> + </affected> + <background> + <p> + util-linux is a suite of useful Linux programs including umount, a + program used to unmount filesystems. + </p> + </background> + <description> + <p> + When a regular user mounts a filesystem, they are subject to + restrictions in the /etc/fstab configuration file. David Watson + discovered that when unmounting a filesystem with the '-r' option, the + read-only bit is set, while other bits, such as nosuid or nodev, are + not set, even if they were previously. + </p> + </description> + <impact type="high"> + <p> + An unprivileged user facing nosuid or nodev restrictions can + umount -r a filesystem clearing those bits, allowing applications to be + executed suid, or have device nodes interpreted. In the case where the + user can freely modify the contents of the filesystem, privilege + escalation may occur as a custom program may execute with suid + permissions. + </p> + </impact> + <workaround> + <p> + Two workarounds exist, first, the suid bit can be removed from the + umount utility, or users can be restricted from mounting and unmounting + filesystems in /etc/fstab. + </p> + </workaround> + <resolution> + <p> + All util-linux users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=sys-apps/util-linux-2.12q-r3"</code> + </resolution> + <references> + <uri link="https://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2005-2876">CAN-2005-2876</uri> + </references> + <metadata tag="requester" timestamp="2005-09-17T16:18:46Z"> + koon + </metadata> + <metadata tag="submitter" timestamp="2005-09-19T16:52:19Z"> + r2d2 + </metadata> + <metadata tag="bugReady" timestamp="2005-09-20T14:09:16Z"> + koon + </metadata> +</glsa> |