kbrain

CVE-2012-1015

HIGH · CVSS 9.3EPSS 4.8%EU EUVD

The kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-20
EPSS score
4.8% (92th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2012-1053)
Published
August 6, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-1053 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5
  • mit / kerberos 5

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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