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diff --git a/glsa-200411-15.xml b/glsa-200411-15.xml new file mode 100644 index 00000000..5a56055e --- /dev/null +++ b/glsa-200411-15.xml @@ -0,0 +1,91 @@ +<?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="200411-15"> + <title>OpenSSL, Groff: Insecure tempfile handling</title> + <synopsis> + groffer, included in the Groff package, and the der_chop script, included + in the OpenSSL package, are both vulnerable to symlink attacks, potentially + allowing a local user to overwrite arbitrary files with the rights of the + user running the utility. + </synopsis> + <product type="ebuild">OpenSSL</product> + <announced>November 08, 2004</announced> + <revised>August 23, 2006: 02</revised> + <bug>68404</bug> + <bug>68407</bug> + <access>local</access> + <affected> + <package name="dev-libs/openssl" auto="yes" arch="*"> + <unaffected range="ge">0.9.7d-r2</unaffected> + <vulnerable range="lt">0.9.7d-r2</vulnerable> + </package> + <package name="sys-apps/groff" auto="yes" arch="*"> + <unaffected range="ge">1.19.1-r2</unaffected> + <unaffected range="rge">1.18.1.1</unaffected> + <vulnerable range="lt">1.19.1-r2</vulnerable> + </package> + </affected> + <background> + <p> + OpenSSL is a toolkit implementing the Secure Sockets Layer and + Transport Layer Security protocols as well as a general-purpose + cryptography library. It includes the der_chop script, which is used to + convert DER-encoded certificates to PEM format. Groff (GNU Troff) is a + typesetting package which reads plain text mixed with formatting + commands and produces formatted output. It includes groffer, a command + used to display groff files and man pages on X and tty. + </p> + </background> + <description> + <p> + groffer and the der_chop script create 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 + groffer or der_chop is executed, this would result in the file being + overwritten with the rights of the user running the utility, which + could be the root user. + </p> + </impact> + <workaround> + <p> + There is no known workaround at this time. + </p> + </workaround> + <resolution> + <p> + All Groff users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose sys-apps/groff</code> + <p> + All OpenSSL users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=dev-libs/openssl-0.9.7d-r2"</code> + <p> + Note: /etc/ssl/misc/der_chop is protected by Portage as a configuration + file. Don't forget to use etc-update and overwrite the old version with + the new one. + </p> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0969">CAN-2004-0969</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0975">CAN-2004-0975</uri> + </references> + <metadata tag="submitter" timestamp="Sun, 7 Nov 2004 18:43:48 +0000"> + koon + </metadata> + <metadata tag="bugReady" timestamp="Sun, 7 Nov 2004 18:44:31 +0000"> + koon + </metadata> +</glsa> |