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ubuntucveUbuntu.comUB:CVE-2012-1014
HistoryJul 31, 2012 - 12:00 a.m.

CVE-2012-1014

2012-07-3100:00:00
ubuntu.com
ubuntu.com
8

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:P/I:P/A:C

0.06 Low

EPSS

Percentile

93.4%

The process_as_req function in the Key Distribution Center (KDC) in MIT
Kerberos 5 (aka krb5) 1.10.x before 1.10.3 does not initialize a certain
structure member, which allows remote attackers to cause a denial of
service (uninitialized pointer dereference and daemon crash) or possibly
execute arbitrary code via a malformed AS-REQ request.

Notes

Author Note
sbeattie krb5 1.10 and newer code execution potential probably blocked by glibc double-free detection
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchkrb5< 1.10+dfsg~beta1-2ubuntu0.3UNKNOWN

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:P/I:P/A:C

0.06 Low

EPSS

Percentile

93.4%