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CVE-2012-1015

Public on 2012-08-03
Modified on 2014-09-14
Description

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.

Severity
Important
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CVSS v3 Base Score
5.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 krb5 2012-08-03 15:55 ALAS-2012-114

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P
NVD CVSSv2 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C