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Diffstat (limited to 'metadata/glsa/glsa-201612-10.xml')
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diff --git a/metadata/glsa/glsa-201612-10.xml b/metadata/glsa/glsa-201612-10.xml new file mode 100644 index 000000000000..e473d8ea152a --- /dev/null +++ b/metadata/glsa/glsa-201612-10.xml @@ -0,0 +1,62 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201612-10"> + <title>libvirt: Directory traversal</title> + <synopsis>Libvirt is vulnerable to directory traversal when using Access + Control Lists (ACL). + </synopsis> + <product type="ebuild">libvirt</product> + <announced>2016-12-04</announced> + <revised count="1">2016-12-04</revised> + <bug>568870</bug> + <access>local</access> + <affected> + <package name="app-emulation/libvirt" auto="yes" arch="*"> + <unaffected range="ge">1.2.21-r1</unaffected> + <vulnerable range="lt">1.2.21-r1</vulnerable> + </package> + </affected> + <background> + <p>libvirt is a C toolkit for manipulating virtual machines.</p> + </background> + <description> + <p>Normally, only privileged users can coerce libvirt into creating or + opening existing files using the virStorageVol APIs; and such users + already have full privilege to create any domain XML. + </p> + + <p>But in the case of fine-grained ACLs, it is feasible that a user can be + granted storage_vol:create but not domain:write, and it violates + assumptions if such a user can abuse libvirt to access files outside of + the storage pool. + </p> + </description> + <impact type="normal"> + <p>When fine-grained Access Control Lists (ACL) are in effect, an + authenticated local user with storage_vol:create permission but without + domain:write permission maybe able to create or access arbitrary files + outside of the storage pool. + </p> + </impact> + <workaround> + <p>Don’t make use of fine-grained Access Control Lists (ACL) in libvirt; + In Gentoo, libvirt’s ACL support is disable by default unless you + enable the “policykit” USE flag. + </p> + </workaround> + <resolution> + <p>All libvirt users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-emulation/libvirt-1.2.21-r1" + </code> + </resolution> + <references> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-5313">CVE-2015-5313</uri> + </references> + <metadata tag="requester" timestamp="2015-12-24T05:15:17Z"> + BlueKnight + </metadata> + <metadata tag="submitter" timestamp="2016-12-04T11:17:48Z">whissi</metadata> +</glsa> |