Double free vulnerabilities in the error handling code for ASN.1 decoders in the (1) Key Distribution Center (KDC) library and (2) client library for MIT Kerberos 5 (krb5) 1.3.4 and earlier may allow remote attackers to execute arbitrary code.

References

• https://nvd.nist.gov/vuln/detail/CVE-2004-0642
• https://exchange.xforce.ibmcloud.com/vulnerabilities/17157
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10709
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4936
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000860
• http://marc.info/?l=bugtraq&m=109508872524753&w=2
• http://rhn.redhat.com/errata/RHSA-2004-350.html
• http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2004-002-dblfree.txt
• http://www.debian.org/security/2004/dsa-543
• http://www.gentoo.org/security/en/glsa/glsa-200409-09.xml
• http://www.kb.cert.org/vuls/id/795632
• http://www.securityfocus.com/bid/11078
• http://www.trustix.net/errata/2004/0045/
• http://www.us-cert.gov/cas/techalerts/TA04-247A.html