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freebsdFreeBSD8BA2819C-0E9D-11E8-83E7-485B3931C969
HistoryOct 28, 2017 - 12:00 a.m.

bchunk -- heap-based buffer overflow (with invalid free) and crash

2017-10-2800:00:00
vuxml.freebsd.org
9

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.7%

Mitre reports:

bchunk 1.2.0 and 1.2.1 is vulnerable to a heap-based buffer
overflow (with a resultant invalid free) and crash when processing a
malformed CUE (.cue) file.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchbchunk= 1.2.0UNKNOWN
FreeBSDanynoarchbchunk<= 1.2.1UNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.7%