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HistoryNov 02, 2017 - 11:10 p.m.

[SECURITY] [DLA 1158-1] bchunk security update

2017-11-0223:10:15
lists.debian.org
4

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

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

52.7%

Package : bchunk
Version : 1.2.0-12+deb7u1
CVE ID : CVE-2017-15953 CVE-2017-15954 CVE-2017-15955
Debian Bug : 880116

Several vulnerabilities were discovered in bchunk, a tool to convert a
CD image in .bin/.cue format into a set of .iso and .cdr/.wav tracks.
It was possible to trigger a heap-based buffer overflow with an
resultant invalid free when processing a malformed CUE (.cue) file
that may lead to the execution of arbitrary code or a application crash.

For Debian 7 "Wheezy", these problems have been fixed in version
1.2.0-12+deb7u1.

We recommend that you upgrade your bchunk packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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

AI Score

6.7

Confidence

High

EPSS

0.002

Percentile

52.7%