CVE-2007-1216: Double Free
First published: Fri Apr 06 2007(Updated: )
Double free vulnerability in the GSS-API library (lib/gssapi/krb5/k5unseal.c), as used by the Kerberos administration daemon (kadmind) in MIT krb5 before 1.6.1, when used with the authentication method provided by the RPCSEC_GSS RPC library, allows remote authenticated users to execute arbitrary code and modify the Kerberos key database via a message with an "an invalid direction encoding".
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MIT Kerberos 5 | <1.6.1 | |
| Ubuntu Linux | =5.10 | |
| Ubuntu Linux | =6.06 | |
| Ubuntu Linux | =6.10 | |
| Debian GNU/Linux | =3.1 | |
| Debian GNU/Linux | =4.0 | |
| Ubuntu | =6.10 | |
| Ubuntu | =5.10 | |
| Ubuntu | =6.06 | |
| Debian | =3.1 | |
| Debian | =4.0 |
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Reference Links
- http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2007-003.txt
- http://www.debian.org/security/2007/dsa-1276
- http://www.redhat.com/support/errata/RHSA-2007-0095.html
- http://www.ubuntu.com/usn/usn-449-1
- http://www.kb.cert.org/vuls/id/419344
- http://secunia.com/advisories/24706
- http://secunia.com/advisories/24736
- http://secunia.com/advisories/24757
- http://security.gentoo.org/glsa/glsa-200704-02.xml
- http://lists.suse.com/archive/suse-security-announce/2007-Apr/0001.html
- http://www.securityfocus.com/bid/23282
- http://www.securitytracker.com/id?1017852
- http://secunia.com/advisories/24740
- http://secunia.com/advisories/24750
- http://secunia.com/advisories/24785
- http://secunia.com/advisories/24786
- http://secunia.com/advisories/24817
- http://secunia.com/advisories/24735
- http://docs.info.apple.com/article.html?artnum=305391
- http://lists.apple.com/archives/Security-announce/2007/Apr/msg00001.html
- http://secunia.com/advisories/24966
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:077
- http://www.us-cert.gov/cas/techalerts/TA07-093B.html
- http://www.us-cert.gov/cas/techalerts/TA07-109A.html
- http://secunia.com/advisories/25388
- http://www.vupen.com/english/advisories/2007/1218
- http://www.vupen.com/english/advisories/2007/1916
- http://www.vupen.com/english/advisories/2007/1470
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056923
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33413
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11135
- http://www.securityfocus.com/archive/1/464814/30/7170/threaded
- http://www.securityfocus.com/archive/1/464666/100/0/threaded
- http://www.securityfocus.com/archive/1/464591/100/0/threaded
Frequently Asked Questions
What is the severity of CVE-2007-1216?
CVE-2007-1216 is classified as a critical vulnerability that can lead to remote code execution.
How do I fix CVE-2007-1216?
To mitigate CVE-2007-1216, update your MIT Kerberos 5 to version 1.6.1 or later.
Which software is affected by CVE-2007-1216?
CVE-2007-1216 affects MIT Kerberos 5 versions prior to 1.6.1 and certain versions of Ubuntu and Debian.
Can CVE-2007-1216 be exploited remotely?
Yes, CVE-2007-1216 allows remote authenticated users to execute arbitrary code.
Is there a workaround for CVE-2007-1216 if I can't update?
Disabling the GSS-API functionality or restricting access to the affected services can serve as a temporary workaround for CVE-2007-1216.
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