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Diffstat (limited to 'metadata/glsa/glsa-201201-16.xml')
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diff --git a/metadata/glsa/glsa-201201-16.xml b/metadata/glsa/glsa-201201-16.xml new file mode 100644 index 000000000000..a3d08976f1e3 --- /dev/null +++ b/metadata/glsa/glsa-201201-16.xml @@ -0,0 +1,70 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> +<glsa id="201201-16"> + <title>X.Org X Server/X Keyboard Configuration Database: Screen lock bypass</title> + <synopsis>A debugging functionality in the X.Org X Server that is bound to a + hotkey by default can be used by local attackers to circumvent screen + locking utilities. + </synopsis> + <product type="ebuild">xkeyboard-config xorg-server</product> + <announced>2012-01-27</announced> + <revised count="1">2012-01-27</revised> + <bug>399347</bug> + <access>local</access> + <affected> + <package name="x11-misc/xkeyboard-config" auto="yes" arch="amd64 arm hppa x86"> + <unaffected range="ge">2.4.1-r3</unaffected> + <vulnerable range="lt">2.4.1-r3</vulnerable> + </package> + </affected> + <background> + <p>The X Keyboard Configuration Database provides keyboard configuration + for various X server implementations. + </p> + </background> + <description> + <p>Starting with the =x11-base/xorg-server-1.11 package, the X.Org X Server + again provides debugging functionality that can be used terminate an + application that exclusively grabs mouse and keyboard input, like screen + locking utilities. + </p> + + <p>Gu1 reported that the X Keyboard Configuration Database maps this + functionality by default to the Ctrl+Alt+Numpad * key combination. + </p> + </description> + <impact type="normal"> + <p>A physically proximate attacker could exploit this vulnerability to gain + access to a locked X session without providing the correct credentials. + </p> + </impact> + <workaround> + <p>Downgrade to any version of x11-base/xorg-server below + x11-base/xorg-server-1.11: + </p> + + <code> + # emerge --oneshot --verbose "<x11-base/xorg-server-1.11" + </code> + </workaround> + <resolution> + <p>All xkeyboard-config users should upgrade to the latest version:</p> + + <code> + # emerge --sync + # emerge --ask --oneshot --verbose + ">=x11-misc/xkeyboard-config-2.4.1-r3" + </code> + + <p>NOTE: The X.Org X Server 1.11 was only stable on the AMD64, ARM, HPPA, + and x86 architectures. Users of the stable branches of all other + architectures are not affected and will be directly provided with a fixed + X Keyboard Configuration Database version. + </p> + </resolution> + <references> + <uri link="https://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0064">CVE-2012-0064</uri> + </references> + <metadata timestamp="2012-01-19T17:45:40Z" tag="requester">a3li</metadata> + <metadata timestamp="2012-01-27T20:35:28Z" tag="submitter">a3li</metadata> +</glsa> |