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Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200804-16.xml')
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diff --git a/xml/htdocs/security/en/glsa/glsa-200804-16.xml b/xml/htdocs/security/en/glsa/glsa-200804-16.xml new file mode 100644 index 00000000..a2910746 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200804-16.xml @@ -0,0 +1,78 @@ +<?xml version="1.0" encoding="utf-8"?> +<?xml-stylesheet href="/xsl/glsa.xsl" type="text/xsl"?> +<?xml-stylesheet href="/xsl/guide.xsl" type="text/xsl"?> +<!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> + +<glsa id="200804-16"> + <title>rsync: Execution of arbitrary code</title> + <synopsis> + A buffer overflow in rsync might lead to the remote execution of arbitrary + code when extended attributes are being used. + </synopsis> + <product type="ebuild">rsync</product> + <announced>April 17, 2008</announced> + <revised>April 17, 2008: 01</revised> + <bug>216887</bug> + <access>remote</access> + <affected> + <package name="net-misc/rsync" auto="yes" arch="*"> + <unaffected range="ge">2.6.9-r6</unaffected> + <vulnerable range="lt">2.6.9-r6</vulnerable> + </package> + </affected> + <background> + <p> + rsync is a file transfer program to keep remote directories + synchronized. + </p> + </background> + <description> + <p> + Sebastian Krahmer of SUSE reported an integer overflow in the + expand_item_list() function in the file util.c which might lead to a + heap-based buffer overflow when extended attribute (xattr) support is + enabled. + </p> + </description> + <impact type="high"> + <p> + A remote attacker could send a file containing specially crafted + extended attributes to an rsync deamon, or entice a user to sync from + an rsync server containing specially crafted files, possibly leading to + the execution of arbitrary code. + </p> + <p> + Please note that extended attributes are only enabled when USE="acl" is + enabled, which is the default setting. + </p> + </impact> + <workaround> + <p> + Disable extended attributes in the rsync daemon by setting "<i>refuse + options = xattrs</i>" in the file "/etc/rsyncd.conf" (or append + "xattrs" to an existing "refuse" statement). When synchronizing to a + server, do not provide the "-X" parameter to rsync. You can also + disable the "acl" USE flag for rsync and recompile the package. + </p> + </workaround> + <resolution> + <p> + All rsync users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/rsync-2.6.9-r6"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1720">CVE-2008-1720</uri> + </references> + <metadata tag="requester" timestamp="Mon, 14 Apr 2008 22:37:35 +0000"> + rbu + </metadata> + <metadata tag="submitter" timestamp="Mon, 14 Apr 2008 23:01:29 +0000"> + rbu + </metadata> + <metadata tag="bugReady" timestamp="Mon, 14 Apr 2008 23:01:42 +0000"> + rbu + </metadata> +</glsa> |