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author | 2015-03-08 22:02:38 +0100 | |
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committer | 2015-03-08 22:02:38 +0100 | |
commit | a24567fbc43f221b14e805f9bc0b7c6d16911c46 (patch) | |
tree | 910a04fe6ee560ac0eebac55f3cd2781c3519760 /glsa-200507-11.xml | |
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Import existing advisories
Diffstat (limited to 'glsa-200507-11.xml')
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1 files changed, 79 insertions, 0 deletions
diff --git a/glsa-200507-11.xml b/glsa-200507-11.xml new file mode 100644 index 00000000..503153dc --- /dev/null +++ b/glsa-200507-11.xml @@ -0,0 +1,79 @@ +<?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="200507-11"> + <title>MIT Kerberos 5: Multiple vulnerabilities</title> + <synopsis> + MIT Kerberos 5 is vulnerable to a Denial of Service attack and remote + execution of arbitrary code, possibly leading to the compromise of the + entire Kerberos realm. + </synopsis> + <product type="ebuild">mit-krb5</product> + <announced>July 12, 2005</announced> + <revised>July 12, 2005: 01</revised> + <bug>98799</bug> + <access>remote</access> + <affected> + <package name="app-crypt/mit-krb5" auto="yes" arch="*"> + <unaffected range="ge">1.4.1-r1</unaffected> + <vulnerable range="lt">1.4.1-r1</vulnerable> + </package> + </affected> + <background> + <p> + MIT Kerberos 5 is the free implementation of the Kerberos network + authentication protocol by the Massachusetts Institute of Technology. + </p> + </background> + <description> + <p> + Daniel Wachdorf discovered that MIT Kerberos 5 could corrupt the + heap by freeing unallocated memory when receiving a special TCP request + (CAN-2005-1174). He also discovered that the same request could lead to + a single-byte heap overflow (CAN-2005-1175). Magnus Hagander discovered + that krb5_recvauth() function of MIT Kerberos 5 might try to + double-free memory (CAN-2005-1689). + </p> + </description> + <impact type="high"> + <p> + Although exploitation is considered difficult, a remote attacker + could exploit the single-byte heap overflow and the double-free + vulnerability to execute arbitrary code, which could lead to the + compromise of the whole Kerberos realm. A remote attacker could also + use the heap corruption to cause a Denial of Service. + </p> + </impact> + <workaround> + <p> + There are no known workarounds at this time. + </p> + </workaround> + <resolution> + <p> + All MIT Kerberos 5 users should upgrade to the latest available + version: + </p> + <code> + # emerge --sync + # emerge --ask --oneshot --verbose ">=app-crypt/mit-krb5-1.4.1-r1"</code> + </resolution> + <references> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1174">CAN-2005-1174</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1175">CAN-2005-1175</uri> + <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1689">CAN-2005-1689</uri> + <uri link="http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-002-kdc.txt">MITKRB5-SA-2005-002</uri> + <uri link="http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-003-recvauth.txt">MITKRB5-SA-2005-003</uri> + </references> + <metadata tag="requester" timestamp="Fri, 08 Jul 2005 08:49:39 +0000"> + koon + </metadata> + <metadata tag="submitter" timestamp="Fri, 08 Jul 2005 14:57:37 +0000"> + DerCorny + </metadata> + <metadata tag="bugReady" timestamp="Tue, 12 Jul 2005 19:05:46 +0000"> + jaervosz + </metadata> +</glsa> |