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Diffstat (limited to 'metadata/glsa/glsa-200411-22.xml')
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diff --git a/metadata/glsa/glsa-200411-22.xml b/metadata/glsa/glsa-200411-22.xml new file mode 100644 index 000000000000..142b27c0aaec --- /dev/null +++ b/metadata/glsa/glsa-200411-22.xml @@ -0,0 +1,79 @@ +<?xml version="1.0" encoding="utf-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="200411-22"> + <title>Davfs2, lvm-user: Insecure tempfile handling</title> + <synopsis> + Davfs2 and the lvmcreate_initrd script (included in the lvm-user package) + are both vulnerable to symlink attacks, potentially allowing a local user + to overwrite arbitrary files with the rights of the user running them. + </synopsis> + <product type="ebuild">davfs2</product> + <announced>2004-11-11</announced> + <revised count="01">2004-11-11</revised> + <bug>68406</bug> + <bug>69149</bug> + <access>local</access> + <affected> + <package name="net-fs/davfs2" auto="yes" arch="*"> + <unaffected range="ge">0.2.2-r1</unaffected> + <vulnerable range="lt">0.2.2-r1</vulnerable> + </package> + <package name="sys-fs/lvm-user" auto="yes" arch="*"> + <unaffected range="ge">1.0.7-r2</unaffected> + <vulnerable range="lt">1.0.7-r2</vulnerable> + </package> + </affected> + <background> + <p> + Davfs2 is a file system driver that allows you to mount a WebDAV + server as a local disk drive. lvm-user is a package providing userland + utilities for LVM (Logical Volume Management) 1.x features. + </p> + </background> + <description> + <p> + Florian Schilhabel from the Gentoo Linux Security Audit Team found + that Davfs2 insecurely created .pid files in /tmp. Furthermore, Trustix + Secure Linux found that the lvmcreate_initrd script, included in the + lvm-user Gentoo package, also creates temporary files in + world-writeable directories with predictable names. + </p> + </description> + <impact type="normal"> + <p> + A local attacker could create symbolic links in the temporary + files directory, pointing to a valid file somewhere on the filesystem. + When Davfs2 or lvmcreate_initrd is called, this would result in the + file being overwritten with the rights of the user running the + software, which could be the root user. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All Davfs2 users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-fs/davfs2-0.2.2-r1"</code> + <p> + All lvm-user users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=sys-fs/lvm-user-1.0.7-r2"</code> + </resolution> + <references> + <uri link="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0972">CAN-2004-0972</uri> + </references> + <metadata tag="submitter" timestamp="2004-11-10T09:15:59Z"> + koon + </metadata> + <metadata tag="bugReady" timestamp="2004-11-11T20:29:52Z"> + jaervosz + </metadata> +</glsa> |