The Kerberos 4 support in KDC in MIT Kerberos 5 (krb5kdc) does not properly clear the unused portion of a buffer when generating an error message, which might allow remote attackers to obtain sensitive information, aka "Uninitialized stack values."
Category
The product uses or accesses a resource that has not been initialized.
7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 •
AV:N/AC:M/Au:N/C:P/I:N/A:N
EPSS
Probability of exploitation activity in the next 30 days.
broken linkmailing listthird party advisoryvdb entry
Frequently Asked Questions
What is the severity of CVE-2008-0063?
CVE-2008-0063 has been scored as a high severity vulnerability.
How to fix CVE-2008-0063?
To fix CVE-2008-0063, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2008-0063 being actively exploited in the wild?
It is possible that CVE-2008-0063 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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