An out-of-bounds flaw was discovered in MIT Kerberos; the build_principal_va() function did not properly duplicate the realm. An authenticated remote attacker could possibly exploit this flaw by sending a TGS request containing a specially crafted realm field and crashing the KDC (denial of service).
Find out more about CVE-2015-2697 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.
| Base Score | 4 |
|---|---|
| Base Metrics | AV:N/AC:L/Au:S/C:N/I:N/A:P |
| Access Vector | Network |
| Access Complexity | Low |
| Authentication | Single |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | Partial |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | krb5 | Will not fix |
| Red Hat Enterprise Linux 6 | krb5 | Will not fix |
| Red Hat Enterprise Linux 5 | krb5 | Not affected |
| Red Hat Enterprise Linux 4 | krb5 | Not affected |
Vulmon