diff options
Diffstat (limited to 'xml/htdocs/security/en/glsa/glsa-200905-08.xml')
-rw-r--r-- | xml/htdocs/security/en/glsa/glsa-200905-08.xml | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/xml/htdocs/security/en/glsa/glsa-200905-08.xml b/xml/htdocs/security/en/glsa/glsa-200905-08.xml new file mode 100644 index 00000000..83a563e1 --- /dev/null +++ b/xml/htdocs/security/en/glsa/glsa-200905-08.xml @@ -0,0 +1,84 @@ +<?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="200905-08"> + <title>NTP: Remote execution of arbitrary code</title> + <synopsis> + Multiple errors in the NTP client and server programs might allow for the + remote execution of arbitrary code. + </synopsis> + <product type="ebuild">ntp</product> + <announced>May 26, 2009</announced> + <revised>May 26, 2009: 01</revised> + <bug>263033</bug> + <bug>268962</bug> + <access>remote</access> + <affected> + <package name="net-misc/ntp" auto="yes" arch="*"> + <unaffected range="ge">4.2.4_p7</unaffected> + <vulnerable range="lt">4.2.4_p7</vulnerable> + </package> + </affected> + <background> + <p> + NTP contains the client and daemon implementations for the Network Time + Protocol. + </p> + </background> + <description> + <p> + Multiple vulnerabilities have been found in the programs included in + the NTP package: + </p> + <ul> + <li>Apple Product Security reported a + boundary error in the cookedprint() function in ntpq/ntpq.c, possibly + leading to a stack-based buffer overflow (CVE-2009-0159).</li> + <li>Chris Ries of CMU reported a boundary error within the + crypto_recv() function in ntpd/ntp_crypto.c, possibly leading to a + stack-based buffer overflow (CVE-2009-1252).</li> + </ul> + </description> + <impact type="high"> + <p> + A remote attacker might send a specially crafted package to a machine + running ntpd, possibly resulting in the remote execution of arbitrary + code with the privileges of the user running the daemon, or a Denial of + Service. NOTE: Successful exploitation requires the "autokey" feature + to be enabled. This feature is only available if NTP was built with the + 'ssl' USE flag. + </p> + <p> + Furthermore, a remote attacker could entice a user into connecting to a + malicious server using ntpq, possibly resulting in the remote execution + of arbitrary code with the privileges of the user running the + application, or a Denial of Service. + </p> + </impact> + <workaround> + <p> + You can protect against CVE-2009-1252 by disabling the 'ssl' USE flag + and recompiling NTP. + </p> + </workaround> + <resolution> + <p> + All NTP users should upgrade to the latest version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=net-misc/ntp-4.2.4_p7"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0159">CVE-2009-0159</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1252">CVE-2009-1252</uri> + </references> + <metadata tag="submitter" timestamp="Mon, 25 May 2009 17:26:27 +0000"> + a3li + </metadata> + <metadata tag="bugReady" timestamp="Mon, 25 May 2009 17:27:05 +0000"> + a3li + </metadata> +</glsa> |