First published: Wed Mar 19 2008(Updated: )
KDC in MIT Kerberos 5 (krb5kdc) does not set a global variable for some krb4 message types, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted messages that trigger a NULL pointer dereference or double-free.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Apple Mac OS X | =10.4.11 | |
Apple Mac OS X | =10.5.2 | |
Apple Mac OS X Server | =10.4.11 | |
Apple Mac OS X Server | =10.5.2 | |
MIT Kerberos 5 | <=1.6.3_kdc | |
MIT Kerberos 5 | <=1.6.3 | |
Debian Debian Linux | =3.1 | |
Debian Debian Linux | =4.0 | |
Ubuntu Linux | =6.06 | |
Ubuntu Linux | =6.10 | |
Ubuntu Linux | =7.04 | |
Ubuntu Linux | =7.10 | |
Fedoraproject Fedora | =7 | |
Fedoraproject Fedora | =8 |
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CVE-2008-0062 has a severity rating that indicates it can lead to denial of service and potentially arbitrary code execution.
To fix CVE-2008-0062, upgrade to a patched version of MIT Kerberos 5 beyond 1.6.3 or apply available security updates for your operating system.
CVE-2008-0062 affects multiple distributions of MIT Kerberos 5, as well as certain versions of Debian and Ubuntu Linux.
Yes, CVE-2008-0062 can be exploited by remote attackers through crafted messages that cause a denial of service.
The potential consequences of CVE-2008-0062 include service disruption due to crashes and the risk of arbitrary code execution.