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ubuntucveUbuntu.comUB:CVE-2016-4356
HistoryApr 29, 2016 - 12:00 a.m.

CVE-2016-4356

2016-04-2900:00:00
ubuntu.com
ubuntu.com
7

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.023 Low

EPSS

Percentile

89.6%

The append_utf8_value function in the DN decoder (dn.c) in Libksba before
1.3.3 allows remote attackers to cause a denial of service (out-of-bounds
read) by clearing the high bit of the byte after invalid utf-8 encoded
data.

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchlibksba< 1.2.0-2ubuntu0.2UNKNOWN
ubuntu14.04noarchlibksba< 1.3.0-3ubuntu0.14.04.2UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.023 Low

EPSS

Percentile

89.6%