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ubuntucveUbuntu.comUB:CVE-2016-7053
HistoryMay 04, 2017 - 12:00 a.m.

CVE-2016-7053

2017-05-0400:00:00
ubuntu.com
ubuntu.com
10

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.739 High

EPSS

Percentile

98.1%

In OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures
can crash with a NULL pointer dereference. This is caused by a bug in the
handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a
NULL value being passed to the structure callback if an attempt is made to
free certain invalid encodings. Only CHOICE structures using a callback
which do not handle NULL value are affected.

Notes

Author Note
mdeslaur 1.1.0 only

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.739 High

EPSS

Percentile

98.1%